Amazon.com: (4 Pack) Neoprene Rubber Washers - 1 1/2" OD x 3/8" ID x 1/4" Thickness - 60 Duro Primal23 Industrial N60 Series Rubber Washers : Industrial & Scientific
SHKIBY [100 Pack] 1/4" x 5/8" EPDM Rubber Washer, Neoprene Flat Washers spacers, 16.5mm OD 6.5mm ID 3mm Thickness for Faucet Pipe Water Hose & Bolts etc: Amazon.com: Industrial & Scientific
Amazon.com: (4 Pack) Thick Neoprene Rubber Washers 3/4" OD X 3/8" ID X 1/4" Thickness - Primal23 Industrial Neoprene Rubber Spacer… : Industrial & Scientific
Washer for Fin Bolts - Neoprene Rubber (6-Pack) – Chinook Sailing Products
FORM A FLAT BLACK THICK NEOPRENE RUBBER WASHERS - M3 M4 M5 M6 M8 M10 M12 M16 M20 | eBay
3/8" I.D. X 7/8" O.D. Neoprene Rubber Washers (1/16" Thickness) (Pack of 12): Flat Washers: Amazon.com: Industrial & Scientific
100 Pack) Oil Resistant Neoprene Rubber Washers 1/2" OD x 3/16" ID x 1/16" Thickness - Endeavor Series Sealing Rubber Washers: Amazon.com: Industrial & Scientific
3/8" x 1-1/2" x 1/16" Neoprene Rubber Washers FLWSRR-071 (10 pcs.) — MonsterFastener