At present, these are our wrist band sized 1/8 inch width bands. They are 2.5 inches flat; 5 inches in diameter; the have an inner diameter of 1.6 inches; they are 1/8 inch with and 0.079 inches in thick. They work great as long lasting silicone rubber bands. 3X stretch rubber bands. These are made with our durable, long lasting, cooking grade silicone. They are UV, heat (to 600 degrees F), cold, and chemically resistant bands. They will not fall apart like desiccated traditional rubber bands so you'll can get years of use. Perfect for wrapping up just about anything small or using as an o-ring or gasket. These are made with long lasting silicone instead of rubber. We measure our bands flat. So, when pressed against the desktop, these are 2.5 inch flat. These stretch to 3X. Specs for this model: Cooking grade silicone 2.5 in(Flat) x 0.125 in x 0.079 in bands 5 inch circumference 1.6 inch inner diameter, 1.7 inch outer diameter Stretch: about 3x Durometer: 20A