From Pottery Barn Kids Insulated bottles are made with a stainless steel interior and polypropylene cap. Finished in our exclusive prints and fun colors; no liner needed. Insulated bottles have a silicone straw to reach all the way to bottom so you won't miss that last drop. Push-button pop-up lid makes it easy to open and has a lock to prevent spills and leaks. Vacuum-valve stopper prevents leakage when completely pressed down. Medium Insulated Bottle Overall: 2.75" diameter, 7.25" high Straw: 5.25" long Fluid Capacity: 12 fluid ounces PB Pink Brand New From a smoke-free and pet-free home