Food Grade Silicone, lightweight durable and enough enough to foldingPerfectly and convenient folding cup,Folds down to 1 Inch thick for easy to clean, Pops up to hold 8 Oz of liquid, hot or cold., easy transportation.very portableTransforms into a cup when you need one for taking medicine or brushing your teeth. Stable rigid base with flexible walls; Spill resistant, versatile shape. Includes a cap so that it can be carried around in a sanitary condition. Also includes a hook hole and strapIdeal for Great Camping trips and Hiking cup , hiker,sports and every day use:camper, climbing shopping ,outdoor trips,park,business trip, camping, fishing etc. Lunches,barbecue, Picnics,Cycling ,meals, Sporting Events and MoreFor cold and hot liquids:Suitable for cold drinks, tea, coffee and other hot beverages., carbonated drinks and juices , Tea ,milk,drinking,is dishwasher safe, Freezer and microwave safe.Perfect for Air Travel for outdoor travel mugDescription:Product Name: Silicone CupProduct material: food grade siliconeProduct color: as shown in the random colorProduct size: 9cmx8cmx4.5cmProduct weight: 63g/pcsPackage Contents:2 x Silicone Cup2 x StrapOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.