Detailed Description: 1)Highly absorbent, soft fluff fill 2)Waterproof, non-skid backing 3)Sealed on all four sides to prevent leakage 4)Underpads with polymer offer extra absorbency and protection. Specification Specification Net weight/pc Qty/Bag Bags/ctn 20'/ctn 40'/ctn 40'H/ctn 33*44mm 22g 300pcs / 636 1273 1477 40*50mm 28g 33pcs 12 365 729 846 60*60mm 56g 10pcs 10 577 1155 1340 60*90mm 82g 10pcs 10 359 718 833 45*60mm 37g 10pcs 20 741 1481 1720. Style, color, size, weight, material and packing can be customized as per your orders.