Plano 1123-01 HydroFlo Flex 'N' Go Satchel, Yellow/Blue Double-sided storage box with fixed and removable storage options Flexible strap holds two 4-3620 hydro-flo stowaway utility boxes securely in place Polypropylene lid 4-9 adjustable compartments on fixed side Double-sided storage box with fixed and removable storage options Flexible strap holds two 4-3620 Hydro-Flo StowAway utility boxes securely in place Polypropylene lid 4-9 adjustable compartments on fixed side Hydro-Flo stowaway utility boxes allow water to flow through