Description: Healthy Materials:The foldable portable water bottle is made of silicone and stainless steel for safe and durable use. Foldable and Portable: The foldable sports water bottle is foldable and portable and comes with a portable strap and 8 layers folded so you can take it with you. Easy to Clean: Collapsible cup with Seamless liner for easy cleaning without dead corners, wide mouth for easy cleaning or adding ice and lemon. Gift: The anti fall silicone body of camping cup ensures you stay hydrated during travel or outdoor activities. Lightweight, portable and easy to store, it's the perfect gift for kids, friends, loved ones and family. Applications: The foldable tea mug is great for travel and any outdoor activity, it saves space and weight and can be used for offices, outdoor camping, backpacking, trips, road trips, etc! Specification: Material:Silicone + Stainless Steel Size Chart: Folded Size: 8.5x2.5cm/3.34x0.98inch Expanded Size: 8.1x10.5cm/3.18x3.95inch Package Includes: 1 Piece Foldable Water Bottle Note: Please allow 1-3mm measuring deviation due to manual measurement. Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.Thank you!