Easy-to-use water bottle made from extremely durable plastic. No removable cap that could get lostinstead, the bottle uses Camelbak's Bite-N-Sip valve, which is lifted up and works by bitingno need to even tilt the bottle. When folded down, the drinking head is sealed. The straw reaching the bottom of the bottle can be removed if desired, allowing for normal drinking by tilting. - Easy to carry or attach, e.g., with a carabiner from the lid handle - Dishwasher safe - Free from BPA, BPS, and BPF - 50% of the Tritan Renew material is recycled plastic - The lid includes a generously sized carrying loop - Tasteless and odorless material - Universal thread: the bottle's upper threads fit many water purifiers Material and manufacturing defect warranty for 10 years.