Collapsible silicone sports water bottles are BPA-free, odorless and made from BPA-free food grade silicone. It is equipped with a folding belt, which can tie the cup to 20% of the original size, and can be put into wallets, backpacks and suitcases, which greatly saves space and is convenient to carry. It has excellent heat resistance, can withstand temperatures of -50 to 100 C, has leak resistance and impact resistance, and is ideal for all activities and sports. Add your logo or message to customize. 1 location includes the shipping cost to US. Orders of 1,000 pieces or greater are eligible for sea shipping. 100% guarantee for quality. Rush Service.