Constructed of light weight ABS polymer. Paracord lacing to secure pistol magazines securely. Adjustable flap helps attach easily onto tactical MOLLE gear. Compatible with standard airsoft pistol magazines. Slim and light weight material doesn't impede performance. More efficient way to store your magazines on-the-go during performance In the Box 1X Paracord Magazine Specifications: Material ABS Polymer California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov