Ranger Bands Mixed (48 Count) Made From EPDM Rubber for Survival and Strapping Gear Various Sizes Made in the USA Ranger Bands 48 made from EPDM rubber 0.050 in. wall thickness NGE61972 Strapping gear, Fire starter burns hot, Not bicycle tubes extruded bands made from EPDM rubber 101 uses Qty 16: 1/2" Tall by 1-1/8" Diameter (2" long when laid flat) Qty 16: 1/2" Tall by 1-1/4" Diameter (2.5" long when laid flat) Qty 16: 1/2" Tall by 1-7/8" Diameter (3" long when laid flat)