Features: 1. FOLDABLE DESIGN & SPACE SAVERThe 17oz (500ml) collapsible silicone water bottle is a foldable type. It takes advantage of the characteristics of soft silicone and can be folded compactly after drinking. Collapsible water bottle It can be folded from 6.8 inch to 3.1 inch in height. 2. LEAK PROOF & EASY TO CLEANCollapsible Water Bottle Designed with silicone seal ring to prevent leakage, Correct installation can ensure that there will be no water leakage. When first use, we advise to soak it for 15 minutes with boiled water for thorough cleaning. 3. PERFECT FOR SPORTS & TRAVELVery suitable for outdoor sports It is also suitable for camping and picnics, mountain climbing and hiking, beaches, festivals, travel, hiking, outdoor recreation you can hook it to backpack or gym bag, carry it everywhere. Ideal for travel. 4. HIGH QUALITY MATERIALMade of safe and durable food-grade silicone material, safe and environmental protection. Wear-resistant, drop-resistant, high temperature resistance up to 200 degrees, low temperature resistance up to -50 degrees. 5. GOOD GIFT CHOICEThe exquisite package makes this collapsible cup a superb gift for the coffee lover in your life, share the collapsible cups with your family, friends, classmates, colleagues and of course your travelling companion. Specification Material: Silicone, PP Color: Blue, Pink, Grey, Black Size: 8.5 x 17.5 cm, 8.3 cm (folded) Weight: 145 g Capacity: 500 ml Package Include: 1 Silicone Folding Bottle