Amazon.com: TORRAMI Solid Neoprene Rubber Strips Roll 1/8 (.125) inch Thick X 1 inch Wide X 10 Feet, for DIY Weather Stripping, Gasket, Seal : Industrial & Scientific
Rubber-Cal Neoprene Sheet- 60A Durometer- Smooth Finish- Adhesive Backing- 0.375-in Thick x 4-in Width x 36-in Length- Black in the Rubber Sheets & Rolls department at Lowes.com
50A Durometer Neoprene Sheet 3/16 in. Thick x 24 in. Width x 36 in. Length Smooth Finish Black Rubber Sheet (6 sq. ft.) 30-005-187-024-036 - The Home Depot
GRAINGER APPROVED Neoprene Roll, L 6 ft, Black - 6YGW4|CCN59-1/4PTAPE - Grainger