1:PU Leather dog harness collar leash set.High quality guarantee 2:Studded Spiked, fashion,cool design 3:Steel buckle,5 eyelets, adjustable 4:Chain Leash,leather hand strip, soft and heavy duty Size: Harness: Neck size 17.5-23.5" Chest size 26-34" Collar: M:2"width,Neck size for 17-20" L:2"width,Neck size for 19-22" XL:2"width,Neck size for 21-24" Leash: 28"total length Chain: 5mm diameter,20" length(include the hook). Hand strap:1"width,8"length. Please Note: Before you order, be sure this size is suitable for your dog(That's very important).