Features: 1.It can hold two large bottles or straw cups. 2.With Insulated easy to clean lining to keep the bottle warm or cold. 3.Two-way zipper allows single or double bottles to enter. 4.Including freezer pack. 5.Easy-to-open adjustable strap can be attached to the stroller. 6.With Internal mesh pocket for storage. Specifications: Size: about 181022cm/7.093.948.66 in Package weight: about 0.18kg Packing volume: about 25621cm/9.842.368.27 in Packing List: Breast Milk Cold Storage Bag*1