Use these adjustable “rubber bands” for bundling, binding, color coding, securing columns and burettes, controlling flexible tubing, keeping foil covers on canisters, and securing dialysis or biohazard bags.Remain flexible from -46 °C to 121 °C (-50 °F to 250 °F); use in the autoclave or freezerSmall, tension-control band slides for a loop range of 5 mm (0.2") to 100 mm (4") in diameterPerfect for use with Fillpour™ Dialysis Tube Funnels (F14848-0000 and F14848-0001)Includes 10 of each color, red, blue and yellow