Made of BPA FREE food-grade platinum silicone, APPROVED to ensure safe drinking, non toxic and odorless. Suitable for water or drinks.The shatter-proof, flexible and 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.