This is a 32-round translucent polymer magazine for Glock 17, 19, 26, and other double-stack Glock 9mm pistols.
This is manufactured by ETS Group, which is known for its clear polymer firearm magazines.
DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.