Come and Check Our Promo Solutions.This water bottle is made of BPA free food grade silicone. Capacity:20oz(600ml).Features:collapsible and light weight. Suitable for water or drinks from -22F to 250F.The silicone seal ring to prevent leakage. Correct installation can ensure that there will be no water leakage. Four color for options. Very great for sports activities,travel,camping,picnics,hiking and mountain climbing. You can hook it to backpack or gym bag,carry it everywhere. Custom logo is available. Pls check inventory and detailed info with us before placing your orders.