Grab & Go Double Bottle Bag -Black: Keep your cool! Heading out for a long day with baby? The Double bottle bag is insulated to keep two bottles or sippy cups cold for up to four hours. It also makes a great bag for baby's snacks! Features: Insulated wipeable lining keeps bottles warm or cold; Two-way zippers allow single or double bottle access; Includes freezer pack; Easy-open strap to attach to stroller; Interior mesh pocket for storage; BPA-free, Phthalate-free.