For Waste King, Anaheim-Whirlaway, Sinkmaster, Tappan and other brand disposals. Made of neoprene for long life. Easy-to-replace; no tools required, removal of disposal is not necessary. No. 1025: Inside Diameter: 2.66", Outside Diameter: 3.11", Depth: 1.00", Material: Neoprene, Pkg Qty: 1, Package Type: Card