VEVOR Raised Toilet Seat, 4" Height Raised, 300 lbs Weight Capacity, Universal Toilet Seat Riser, Screw Rod Locking, with Toilet Seat, for Elderly, Handicap, Patient, Pregnant, Medical 4" Toilet Seat Riser Dual-Sided Knob Installation High-Strength Plastic Construction Sturdy Structure Easy to Open Durable in Humid Environments Compatible Toilet: Universal,Primary Material: PP (Polypropylene),Weight Capacity: 300 lbs / 136 kg,Seat Type: Hard Seat,Item Model Number: FBL760600,Seat Cover Dimensions: 12.8" x 14.8" / 325 x 375 mm,Product Weight: 2.4 lbs / 1.09 kg, ± 3%,Seat Elevation Height: 4" / 100 mm,Seat Dimensions: 15.9" x 13.8" x 5.9" / 405 x 350 x 150 mm,Product Dimensions: 15.9" x 13.8" x 5.9" / 405 x 350 x 150 mm