Advantages of the boot tray different from the large tray: There are three kinds of internal locking devices, which can be combined with the same type of products to become a large tray, which can be stacked, saving space and, at the same time, the single weight is light, easy to use, which is definitely impossible to achieve with the traditional large tray. RAISED EDGE: Each boot tray features a raised edge, which helps contain any mess from daily dirt, raindrops, litter boxes, potted plants and more. The edge of the mat allows shoe soles to dry faster. PERFECT FOR YOUR PETS & OTHER NEEDS: Shoe tray is designed to be as versatile as it is reliable. You can use shoe tray as a large dog food mat, paint tray mat, mud mat for shoes, snow floor mat, litter tray mat, rubber dog mat, winter doormat, and much more. Take refuge in the fact that our boot mats will perfectly serve any purpose you have for them. PROTECT YOUR FLOOR FROM SPILLS: Indoor and outdoor tray is designed to cover a large