Durvet DuraMask Equine Fly Mask This durable fly mask provides valuable protection from flies and other biting insects while enabling clear vision. It offers a comfortable fit with fleece edges and a double-locking fastener hidden under the jaw. Features: Rub free design with all edges trimmed in fleece Decreased attraction of debris and fleece trim Superior eye dart stitching for enhanced safety Extra reinforcement for durability Write-on name tag Item Specifications: Sizes: Horse (900-1200 lb.) X-Large (1200-1600 lb.)