Indi Diaper Backpack | Water-Resistant Diaper Bag | Gender 。size large Overall: 12.25\" wide x 6\" deep x 13.75\" high Expands: 17.75\" (top opening clipped), 18.25\" (top opening unclipped) Interior capacity in cubic inches: 17 volume liters Exterior Gusset Pockets (2): 7\" wide x 6.5\" high Exterior Zipper Side Pockets (2): 5.25\" wide x 5\" high Interior Air Mesh Pocket (1): 10\" wide x 10\" high Interior Mesh Slip Pocket (2): 5\" wide x 10\" high Interior Air Mesh Pocket (with Velcro closure): 10\" wide x 10\" high Interior Gusset Slip Pocket (with Velcro closure): 7\" wide x 6.5\" high Weight: 4 lbs