Amazon.com: Rubber Tubing, Latex Rubber Tube 0.4 inch (9mm) OD 0.2 inch (6mm) ID Highly Elastic and Strong, Speargun Band Slingshot Catapult Surgical Tube Natural Rubber Hose, 1 Meter : Industrial & Scientific
Challenge S.C. Latex Tube - Components
uxcell Latex Tubing 1/8-inch ID 1/4-inch OD 16ft Elastic Rubber Hose Orange: Amazon.com: Industrial & Scientific
LYUMO 6x9mm Rubber Tube Tubing for Slingshot Catapult Surgical Tubing Yellow Natural Latex, Rubber Band Rubber Hose for Slingshot Catapult Surgical Tube Elastic Parts, Elastic Rubber Band - Walmart.com
Latex Rubber Tubing - Plastic Tubing
Fisherbrand Natural Rubber Latex Tubing on 50ft. (15.2m) Reel:Pumps and | Fisher Scientific
Everbilt 3/8 in. O.D. x 1/4 in. I.D. x 10 ft. Latex Hose 769355