3 Pieces Storage Bins on Wheels Stackable Plastic Boxes with Stay-Open Lid (S)-GraySet of 3 bins each with 12. 5 QT capacity Made from lightweight waterproof and easy clean PP Interlocking lids provide secure stable stacking without sliding Reinforced grid lids enhance durability and strength Front opening door with multi angle design for easy access Ventilation holes on lids keep contents fresh and ventilated 4 smooth rolling wheels enable quiet effortless mobility No assembly needed ready to use straight out of box Removable lids