Kitty Cat Alfapet Sifting Litter Box Liners- 10 Per Box Plus 1 Transfer Liner. 5 boxes of Kitty Cat Sifting Litter Box Liners 40" x 38". 10 extra giant cat pan sifting liners and 1 transfer liner per box. Easy to use with quick sifting action. Use with clumping cat litter. Includes rubber band to hold liners.