A revolutionary design that combines flexible, food-grade silicone and food-safe, recycled materials resulting in a bottle that's collapsible and reusable for drinking on the go. Features a screw-on, loop cap that creates an airtight, leak-proof seal and can be attached to your bag strap for more space efficiency. This bottle collapses from a height of 18cm down to 8cm making it ultra-portable to fit into any pocket, purse, glove compartment or backpack. BPA FREE. LEAD FREE. Contains no phthalates or glues.