Booyah Strollers Double Stroller Organizer for Bob Duallie and Baby Jogger City Mini GT black

Overall dimensions 23 x 4.5 x 9 inches Middle compartment is insulated and is 8 x 4.5 x 9 inches deep. Easily fits multiple diapers and wipes in the compartment. Large enough to hold and insulate up to 6 water or baby bottles.