Kensington Signature Fly Mask with Removable Nose &mdash; Protects Horses Face and Nose From Biting Insects and UV Rays While Allowing Full Visibility &mdash; Ears and Forelock Able to Come Through the Mask PREVENTS AGAINST BITING INSECTS - With its breathable webbing material your horse will be comfortable and protected from harmful insect bites and infections. FLY MASK FITS EVERY HORSE AND STAYS IN PLACE - Designed in multiple sizes Medium 700 - 900 lbs., Large 900 - 1200 lbs., and XL 1200 - 1500 lbs. With our Double Locking System, this mask is nearly impossible to take off. DURABILITY AND UV RAY PROTECTION - The woven mesh fabric is air permeable and is non-heat transferring making it the perfect choice for summer time cooling and it blocks up to 73% of harmful UV rays. VIBRANT PLAID PATTERNS - With a touch of matching Kensington plaid you'll be able to match your fly mask to all your other Kensington gear! QUALITY ASSURANCE - All Kensington products undergo a rigorous quality inspection here at our Southern California headquarters. From tear tests, to heat exposure; we examine all degrees of durability and backup this testing with a quality assurance.