Highlights
BEST USE: Backpacking & Camping
VOLUME: 8.3 fl oz | 250 ml
WEIGHT: 1.6 oz | 45 g
MATERIAL(S): Flexible food grade silicone
Shipping & Returns
Our warehouse is actively shipping orders from 8am to 1pm MST Monday through Friday. Most orders ship in one business day, but the transit time can take up to 7 days, depending on your distance from Boulder, Colorado.
2nd Day and Next Day Air orders will ship same day if placed by 1pm MST, Monday-Friday (except holidays).
All orders are eligible for fast and easy returns within 60 days of purchase.
For more details, please check out our Help Center
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Description
The compact X-Cup is perfect for smaller hands and ideal as an everyday carry piece. The flexible silicone walls collapse making it a pocket-sized drinking cup you can take anywhere. The rigid rim makes it easy to hold, and it's also calibrated as a measuring cup.
Features
- Volume is 1 cup (250 ml)
- BPA-free, food-grade flexible silicone sides
- Collapses flat for compact packing
- Calibrated ridges act as a measuring cup
- Nylon ring at the top maintains shape and prevents scalded fingertips
- Nest with other X-Products

Design Details
TECHNICAL FEATURES

Like all materials used in Sea to Summit tableware products, the heat-resistant silicone used in the X-Series is BPA-free. It is certified to both EU and FDA food grade standards, which signifies very low absorption of external materials. It is also heat resistant to 300ºF and doesn't crack in the cold

These products are all Bisphenol-a (BPA) free, which means you can have peace of mind while eating and drinking from these products.
Tech specs
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Best UseBackpacking, Camping, Overland, Bike Touring
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Material(s)Flexible food grade silicone
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SpecialDishwasher Safe | Not Microwave Compatible
One Size |
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Frequently Asked questions
Is it dishwasher-safe?
Yes, this cutlery can be washed in the dishwasher--top rack only.
Is it compatible with other X-Products?
Yes, our X-Series products work with each other and are designed with common dimensions to neatly nest together and reduce storage space.
Can it be used as a measuring cup?
Yes, it features measurement increments on the inside of the mug.
Is it suitable for use with boiling water?
Yes, the melting point of the nylon base and silicone rubber sidewalls is well above boiling water.