ULTIMATE UV PROTECTION - Textilene Solar Screen is designed to block up to 90% of harmful UV rays protecting even the most sensitive of eyes.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.CATCHMASK FASTENERS – Doubles as a halter with the world’s only double locking CatchMask Fasteners.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.