The sport water bottle is made of 100% food-grade silicone materials, free of BPA, BPS, PVC, phthalates, lead, latex, and other harmful leaching chemicals. The collapsible water bottle can be folded from 9.4 inch to 5.3 inch in height. Collapsible and lightweight design allows you save 50% space, portable and easier to storage. The travel water bottle has good sealing performance can effectively prevent water leakage. The shatter-proof, durable collapsible silicone water bottle equipped with a aluminium alloy carabiner, you can hook it to backpack or gym bag, carry it everywhere. Ideal for travel, gym, bikes, running, camping, fishing, hiking, climbing, yoga, beach, outdoor sports. Measuring 17 oz, this custom 17oz portable foldable water bottle. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization available: Print your logo or customize packaging and color schemes. Product Highlights: BPA-free, leak-proof, travel-friendly.