• Fits: Sigma 500mm F5.6 DG DN OS Waterproof Material Camouflage Telephoto Lens Coat • Waterproof Material: The fabric surface is treated to prevent spattering, and the non-waterproof surface prevents contamination from getting wet. Excellent waterproof effect • Elastic construction fabric: Composites of elastic material, easy to install and fast, stick tightly and remove, all edges are edged, so the seams will not fray and shed even after long-term use. The lens coat can protect the lens and provide imitation and clever knots design will not affect the normal use of the lens • Molecular system: There are gaps in the zoom ring and focus ring, so it is not recommended to use the lens protective cover in the rain • Improved Performance: This lens coat has a feeling of hand and has improved protection. Convenient for handheld operation