STUD STOPPER Is a Vet Recommended Male Dog Birth Control SAFE Alternative, Non-surgical Non-chemical. STUD STOPPER Creates a Barrier Between the Male and Female. Maintain All Daily Activities such as Urinating even Simulating Mating & Important "Social Time" Which reduces stress for you & your dogs! Great for the 1-2 Years Before Neutering. Please visit studstoppercom for more information and videos. IMPORTANT: WE CANNOT PROCESS ORDER WITHOUT WAIST MEASUREMENT PLEASE SEE INSTRUCTIONS AND PUT MEASUREMENT IN CONTACT SELLER BOX. PLEASE FOLLOW THESE IMPORTANT INSTRUCTIONS WE CUSTOM BUILD EACH ONE 1.) MEASURE AROUND HIS WAIST IN FRONT OF GENITALS VERY TIGHT TO ENSURE FIT WHERE STRAP WILL BE 2.) TELL US HIS BREED AND MEASURE FROM HIS BELLY TO FLOOR IN FRONT OF GENITALS 3.) TELL US HIS AGE SO WE KNOW IF HE NEEDS EXTRA STRAP FOR GROWTH PLEASE PUT THIS INFORMATION IN THE CONTACT SELLER BOX