YogiPet Indoor Puppy and Dog Potty Antibiotics Antibacterial Toilet Bathroom, Connectable Dog Toilet for Small or Big Dog. (1 Piece) ♦︎Sell 1 piece(660 x 450 x 35 mm), you can connect 3 piece for your big pet. ♦︎Antibiotics Antibacterial toilet for your dog. (98.7%), No virus. ♦︎It does not slip with rubber packing. ♦︎Hole size is 10 x 10mm for urinate, 35mm deep. ♦︎Withstanding a weight of 60 kg.