HEALTHY AND SAFETY:Food-grade silicone body, non-toxic and harmless with FDA approved, safe to human.The cup is smooth and easy to clean. durable and reusable.

SPECIFICATIONS：Capacity: 270ml. Fold size: 3.8 * 0.6in.Unfold size: 3.8 * 3.3in.Weight: 2.4oz.

FEATURES:Can cope with the water temperature from -50°-200°.Wide mouth with stainless steel edge for convenient use and easy clean.Built-in scale inside the cup for clear of the water capacity.Portable Hook and Connective Hand Rope