SuperMask II Horse Fly Mask Shimmer Weave Mesh Fly Mask for Horses keeps flies, dust, dirt and debris away from your horse's eyes and face and also protects from harmful UV rays. The fly mask double-latch closure is located under the jaw, not on the cheekbone, making it harder for other horses to reach Fly Mask aids in healing after eye injuries without obstructing vision The see-through mesh with plush, flyproof trim keeps flies out. Fly Mask provides maximum comfort without rubbing or harsh abrasion