Manufacturer Description

Use these Velcro® battery straps to keep your battery from moving around in your RC cars, trucks, helis, and planes! There are three Velcro® battery straps in this pack so you can use them on different vehicles or use multiple straps to securely tie down large batteries.
Specifications

Length: 14" (360mm)
Width: 3/4" (20mm)

Also available in 205mm and 510mm lengths.