[RolanPro] Lens Cover for Canon EF 300mm F/4 L IS USM (Camo Patten#5) Provide protection for your valuable equipment from scrapes and bumps High-grade canvas fabric, covered-edge, durable and lint-free, not waterproof Easy to install and remove, leaving no residue on the lens Ideal for nature and outdoor photographers, sports shooters and photojournalists. Camouflage pattern, less noticeable to wildlife