Product Features: 1. The foldable design saves space, and the unique D-shaped hook can be conveniently hung on the backpack or bicycle. You can take this foldable cup to camp or hike as a camping cup, even exercise or go out for work. 2. Wear-resistant, fall-resistant, anti-slip and anti-scalding design. 3. Excellent temperature adaptability, withstand temperature range: -40°F~230°F. 4. Food grade silicone material is well sealed and not easy to leak. Product Information: Name: Idealife collapsible silicone travel cup. Size information: Before folding 8.7*12cm, after folding 8.7*6cm. Weight: 167G. Material: Food grade silicone and PP material, BPA free. Package: 1 foldable silicone cup and 1 packing box. Tips: 1. Please disinfect with boiling water before use. 2. Use a soft towel or brush when cleaning. 3. Do not fill it with strong acid or alkaline to avoid affecting its function. 4. Please open the cup mouth if you want to fold up your cup or unfold it up. 5. If you have any questions during the purchase or use, please contact us immediately, we will respond within 24 hours, and do our best to help you. Thank you for your support to Idealife!