Proslat 03250 Probin Storage Bin Kit Designed for PVC Slatwall, 18-Piece Includes 18 Probins (10 small, 5 deep, 2 large, and 1 XL) Small Probins hold up to 33 lbs, Deep Probins hold up to 66 lbs, Large Probins hold up to 66 lbs, XL Probins hold up to 55 lbs Made of durable PPE plastic; Easy to clean Handy and convenient way to organize your garage space Bins insert into Proslat wall panels (sold separately) with a simple snap of the wrist