Come and Check Our Branding Solutions.The softflask is made of food grade TPU, vest-pack fit provides bounce-free stability and a flexible flask shoulder to prevent chafing.100% BPA & PVC FREE - No weird taste, and no unnecessary or harmful chemicals.Soft material conforms to any pocket, and shrinks as you drink to reduce movement and pack away easily when empty.It's perfact for running,riding,climbing,etc. Pls check inventory and detailed info before placing your orders.