for Glock pistol magazines, made of black polymer. choose which one you want. Photos are in order as list below. 1) PG-19 (4 only) 2) PG-29 (1 only) 3) PG-30 (1 only) Im selling on behalf, and we dont know anything about these. All new but no branding, and I dont know if its for the real deal Glock or airsoft, so out they go at a bargain price.