The crux delivers 20 more water with every sip plus an onoff lever that seals your tube shut when yoursquore not drinking upgraded fill port design to include an ergonomic handle and a redesigned a cap thatrsquos more intuitive and easier to fillmdashsmall changes that make it that much easier to fill up and hit the road 100 free of bpa bps and bpf specifications capacity 3l100 fl oz closure leakproof collection reservoirs activity accessories bpabpsbpf free yes dimensions