GREENGUARD Grazing Muzzle NOTE: THIS IS THE MUZZLE ONLY - GREENGUARD HALTER IS SOLD SEPARATELY. Includes muzzle and 4 breakaway safety straps that attach to any standard halter. We recommend using a breakaway halter for safety. Patented open design allows horses to breathe freely. Limits grass intake as much as a traditional basket muzzle while being much more comfortable, lightweight, and cooler for the horse. Try our muzzle risk free: No questions asked 30-day money back guarantee if you are not completely satisfied. We also offer a 1-year warranty on the muzzle basket against breakage. NOTE: ONLY PRODUCTS PURCHASED FROM GREENGUARD EQUINE OR GREENGUARD USA LLC ARE ELIGIBLE FOR WARRANTY. SIZING: These muzzles are designed to fit much larger than traditional muzzles. If your horse is between sizes we recommend going with the larger size. Horse size typically fits horses with 5-6 inch bit. Pony: 4.25-4.75 inch bit. Small Pony/Mini: 3.5-4 inch bit. CAUTION: Horse and Pony sizes may not fit in some types of automatic waterers if the diameter is less than 11 inches. Make sure the muzzle will fit in your horse's water source before ordering.