The unique patented grill inside the Roll n’ Clean scoops out the clumped waste, depositing it into the pull-out tray.Just roll the litter box onto its top, and roll back to the up-right position. Remove the tray and dispose of waste! Litter box scoops best with clumping litter. For fast and easy cleaning, use this litter box.

Specifications
Brand: Omega Paw
Dimensions: Regular 20″L x 17″W,Large18.5″L x 21.5″W x 20″H
Model number: 620661446377, 620661663422