Constructed from TPE and polypropylene. \nUltra-portable scrunch down and pop in your bag cup. Squishes to 4. 5cm and only weighs 110 grams. Eco-friendly and reusable - a great alternative to disposable paper cups. \nScrew-top spill-proof lid. Internal volume indicated. Grooved middle ring provides built-in insulation. Bonded construction and food grade antimicrobial material. Solid bottom ring for stability \nDishwasher safe. \nMade in Britain \n \nCapacity 230Ml/350Ml/475Ml \nCollapsed: 10 x 10 x 6.5 cm/Fully Expanded 10 x 10 x 16.5 cm \n \nIncludes: \n1 x Pop Up Cup