The PolarPro Defender was designed to protect the front element of your lens from dirt, moisture, and minor collisions. Compatible with most pro-level lenses on the market, the Defender's dual-density construction combines a hard, rigid lens plate, and an easy to install flexible polymer exterior; ensuring a snug and secure fit compared to standard plastic lens caps and flimsy universal lens covers. Features: - Rigid molded ABS lens plate protects your glass - Soft, flexible elastomer provides both easy installation and a secure fit - Rugged design provides enhanced protection for outdoor photographers and videographers This Defender is for 55mm and 62mm lenses. PolarPro product no: DFNDR-55-62 What's in the box 1 x PolarPro Defender Lens Cover 55mm – 62mm