Uxcell Plastic Pet Drinking Water Fountain Feeder Bottle Head, Red Product Name : Bottle Head; Overall Size : 48 x 40.5mm/1.8" x 1.5"(L*Diameter) Inner Diameter : 29mm/1.14", 36mm/1.41"; Material : Plastic, Metal Main Color : Red, Silver Tone Net Weight : 23g Package Content : 1 x Bottle Head