Silicone Rubber Strips 60A Medium Hardness — Rubber Sheet Warehouse®
AM 150 Black Silicone Potting & Encapsulation RTV Rubber - 2 Gallon Kit - Aeromarine Products Inc.
Brushable Silicone Rubber for Concrete Statue Mold Making - China Brushable Silicone Rubber, Silicone Rubber | Made-in-China.com
Silicon rubber HB 500g for making heat-resistant moulds
PlatSil 73-60 - All Sizes – brickintheyard
Solid Silicone Rubber Sheet Clear White 0.5mm 1mm 2mm-20mm Thick Various Sizes | eBay
BBDINO Super Elastic Silicone Mold Making Kit, Mold Making Silicone Rubber N.W. 21.16 oz, Liquid Silicone Rubber Mold Making, Ideal for Casting 3D Silicone Molds| Food Molds 1:1 by Volume, Jade Green