RGK s Pelvi Loc 2DA is an innovative strapping solution that gives maximum comfort and mobility. Ideal for strapping the thighs and knees. A great alternative the the standard M2 click-straps usually found in USA. This strap is an AWESOME choice for top level wheelchair basketball players. Comes with Zip-Ties for mounting. Mounting upgrade options available below as well. Buy your RGK Pelvi-Loc ratchet straps in the USA only at How iRoll Sports! SIZES: Medium: Seat Width: 30-40cm. Padding size: 23x12cm. Weight: approx. 280g Large: Seat Width: 36-46cm. Padding Size: 27x13cm. Weight: approx. 280g Padded for comfort Enlarged pads ensure optimum pressure distribution and stability Black Sports use Includes zip ties