The Kensington pony fly mask with its plush fleece trim is made with Textilene. The material is specially formulated to withstand fading, soiling, wear and tear, and is mildew resistant. This fly mask shields your pony from biting insects and also shades your pony with its 73% UV protection. The fly mask features fleece trim for added comfort, to prevent irritation. The mask allows full visibility and features double eye darts, an elastic throat strap, and our Double Locking System makes this mask nearly impossible to take off!