If you’ve ever grabbed a cup of tomato soup on a cold day from a café, or stored leftover chicken noodle soup in a takeout container to reheat later, you’ve probably held a soup cup and wondered: do these things really come in different thicknesses? As a soup cup supplier who’s spent 12 years standing next to our manufacturing line, fielding calls from small café owners and large grocery chains alike, I’m here to tell you the answer isn’t just “yes” — it’s the reason why 90% of our repeat customers keep coming back. Let me walk you through what thickness actually means for soup cups, why it matters beyond just a number, and how we tailor thickness for different jobs. Soup Cups
First, let’s clear up a common myth: soup cup thickness isn’t just about how much plastic or paper we use. When we talk about thickness for paper soup cups, we measure it in mils or points — for context, a single sheet of standard printer paper is about 0.1 mil thick, so a basic soup cup is usually between 8 and 16 mils. For plastic soup cups, it’s a bit different, but still a measure of how much material is used in the cup’s walls and base. I’ve seen customers come in asking for “thick” cups like they’re buying a water bottle, but that’s not always the right call. A 10-mil paper cup might be perfect for a busy café that serves soup and needs something easy to hold for 15 minutes, while a 14-mil cup is non-negotiable for someone who’s packaging soup to ship across the country.
Let’s start with the most obvious reason thickness varies: performance. If you’ve ever spilled hot soup on your hand because the cup’s wall crumpled mid-order, you’ve felt the failure of a too-thin cup. A thinner cup has less structural integrity — it can’t hold the weight of 12 or 16 ounces of hot liquid without bending, and it’s more likely to leak at the seam or the bottom. I remember a café owner in Chicago calling us three years ago, frustrated because his previous supplier’s 8-mil cups were leaking so much during lunch rush that he had to throw out $200 worth of soup every week. We swapped him to our 12-mil laminated paper cups, and he called back a month later saying the spillage dropped by 95%. That’s not magic — that’s thickness working as it’s supposed to. Thicker cups also insulate better, which is a huge win for hot soup. A thin cup will cool down in 10 minutes, making customers rush through their meal, while a thick cup can keep soup hot for 20+ minutes without the exterior getting too hot to hold. That small difference adds up to happier customers and more return visits for his shop.
But here’s the part many suppliers won’t tell you: thicker isn’t always better. For some applications, a medium-thickness cup is the sweet spot, because thicker can mean more cost, more material (which isn’t great for sustainability), and more bulk that’s harder to stack and store. For example, a food bank that serves soup to 500 people a day doesn’t need a 14-mil cup — they need an affordable, lightweight 9-mil cup that stacks easily, fits in standard dispensers, and doesn’t leak when filled. We work with three local food banks in our area, and we’ve engineered a custom 9-mil cup for them that’s sturdy enough for hot soup, costs 15% less per unit than a thick cup, and uses 20% less material, which aligns with their mission to reduce waste. The same goes for cold soup or broth cups. A thinner, 8-mil coated plastic cup works perfectly for cold gazpacho or vegetable broth, because it doesn’t need the same structural or insulating properties as a hot soup cup. Thickness is all about matching the cup to its intended use, not just using the thickest option across the board.
Now, let’s talk about the technical side, because I know a lot of you reading this are operators or owners who need hard numbers to make decisions. Paper soup cup thickness is measured in two ways: basis weight (how much a ream of paper weighs) and caliper (the actual thickness in mils). For paper cups, a common hot soup cup is 300-350 GSM (grams per square meter) which translates to about 10-12 mils. Laminated paper cups, which have a thin plastic coating to prevent leaks, run a bit thicker, around 12-14 mils for heavy-duty hot soup use. For plastic soup cups, which are usually made of polypropylene or polystyrene, thickness is measured in mils too, with standard soup cups ranging from 10 to 20 mils. The 15-mil polypropylene cup is our bestseller for grocery store soup packaging, because it’s microwave-safe, sturdy enough for shipping, and can hold up to freezing if someone wants to take soup home and freeze it. I’ve had a grocery chain client tell me that their sales of packaged soup went up 25% after they switched to our thicker 15-mil cups, because customers appreciated that the cup didn’t bend when they picked it up full of soup to take home.
Another factor that drives thickness variation is sustainability, which is a big topic right now. A lot of people assume thicker cups are less eco-friendly, but that’s not always the case. Let’s compare: if a thinner cup is so flimsy that it leaks and gets thrown away, that’s a waste of material and food. A thicker cup that’s made to be durable, recyclable, or compostable is actually less wasteful than a thinner cup that fails and has to be replaced or discarded. We recently launched a line of compostable soup cups, and we engineered them to be 12 mils thick — which is slightly thicker than our standard laminated paper cups — because the compostable materials (like sugarcane bagasse) aren’t as rigid as plastic-coated paper. We worked with a local composting facility to test these cups, and they break down in 90 days, compared to 6 months for a standard plastic-coated cup. That small increase in thickness meant we could keep the cup sturdy enough to hold hot soup, while still meeting the demand for sustainable packaging. It’s a balance, and it’s why we don’t use a one-size-fits-all approach to thickness.
I’ve also seen suppliers cut corners on thickness to offer lower prices, and that’s a mistake that costs customers in the long run. A cup that’s 2 mils thinner than it should be might save you a penny per unit, but if you’re using 10,000 cups a week, that’s $100 a week in savings — but if half those cups leak, you’re losing hundreds of dollars in soup and customer trust. We always tell new customers to test samples before they buy in bulk. Give us a call, ask for samples of our 9, 12, and 15 mil soup cups, test them with hot and cold soup, see how they stack, how they feel to hold, and how much they cost. That hands-on test will tell you more than any sales pitch about which thickness is right for your business.
Let me share another example: a small catering company that does soup for corporate events. They were using our 12-mil cups for a year, but then they started serving soup at outdoor events where it was 90 degrees out, and the cups were getting soft in the sun. They came to us complaining, and we suggested switching to our 15-mil polypropylene cups, which are heat-resistant and don’t get soft in high temperatures. The thickness change cost them 3 cents per unit, but they told us that since switching, they haven’t had a single complaint about cups getting soft at outdoor events, and their event planner clients have booked them more work because of the reliable packaging. That’s the kind of value that comes from understanding that thickness matters for specific use cases.
If you’re a regular customer at a café or grocery store, you might not notice the thickness of the soup cup you’re holding, but you’ll notice if it leaks, if it’s too hot to hold, or if it bends when you pick it up full of soup. That’s why, as a supplier, we prioritize getting thickness right for every client, no matter how big or small. We don’t make all our cups the same, because we know that a café in a downtown office needs a different cup than a food bank, which needs a different cup than a grocery chain shipping soup across the country.
Whether you’re a café owner looking to cut down on spills, a caterer planning outdoor events, a food bank looking for affordable and sturdy options, or a grocery chain wanting to improve your packaged soup sales, soup cups come in different thicknesses for a reason — and choosing the right one for your needs can make a huge difference for your business and your customers.
If you’re ready to talk about your soup cup needs, whether you want to test samples, get a quote, or learn more about our thickness options, don’t hesitate to reach out. We’re here to help you find the perfect cup that works for your menu, your budget, and your customers.
PP Lids References:
- Packaging Association for Food and Agriculture. (2021). The Role of Packaging Thickness in Food Safety and Waste Reduction.
- American National Standards Institute. (2019). Standard Specifications for Disposable Food Service Ware.
- Sustainable Packaging Coalition. (2022). Thickness and Material Selection for Compostable Food Containers.
- National Restaurant Association. (2020). Operational Costs: Reducing Spills and Waste in Food Service Packaging.
Zhejiang Pando EP Technology Co., Ltd.
Zhejiang Pando EP Technology Co., Ltd. is one of the most professional soup cups manufacturers and suppliers in China. Welcome to buy high quality soup cups made in China here from our factory. If you have any enquiry about quotation, please feel free to email us.
Address: No.38 Quhui Road, Nongfa district, Haining city, Zhejiang province, China. 314423
E-mail: davidyang@pandocup.cn
WebSite: https://www.pandopapercup.com/
