[PREMIUM MATERIAL] Made from ABS material with a matte inner wall to reduce reflections. [IMPROVED PHOTOGRAPHY] Prevents non-imaging light, fog, and scattered light for superior photo quality. [PROTECTIVE DESIGN] Shields lens from accidental damage and interference light, while also covering from wind, sand, rain, and snow. [CONVENIENT USAGE] Reversible hood design for easy carrying and practical usage in various lighting conditions. [COMPATIBILITY] Specifically designed for EF 100-400mm f/4.5-5.6L IS USM Lens, weighing only 73g for added convenience.