40PCS Gravel Liner Paper for Bird Cage,11x17 In Bird cage Liner Paper-Gravel Paper Special for Bird Cage in Sea Sand,Parrot Cage Sandpapers Cushion Pad Pet Bedding Accessories (40PCS 11 x 17 Inch)Brand: Birheatry Color: 40PCS 11 x 17 Inch Features: Package includeYou will get 40 pieces of high quality Gravel Paper, packed in high quality bubble bags, and no damage will be caused during transportation. 40pcs is enough for your bird to use for a long time and meet daily replacement. This is a good choice. Suitable size The size of the gravel paper is 11 x17 inches, and it could be cut to the suitable size according to your needs. Cutting is very