Studded Spiked,fashion, cool design.Steel buckle,5 eyelets, adjustable.Chain Leashes,leather hand strip, soft and heavy duty.Suit for: Small Medium Large Dogs.Make your dog easy to observe and safe, perfect for daily walks.Material:LeatherLeather dog harness collar leash set. Studded Spiked, Steel buckle,5 eyelets, adjustableChain Leash, leather hand strip, soft and heavy dutyHarness Size:Neck size 17.5-23.5" Chest size 26-34"Collar Size:M: 2" width, Neck size for 17-20"(43-50cm)L: 2" width, Neck size for 19-22"(48-55cm)XL: 2" width, Neck size for 21-24"(53-60cm)Leash size: 5mm*3.5cm*49cm(1 inch =25.4mm or 1mm = 0.0393 inch)Package contents: 1 pcs dog harnessNote:1.There may be 2-3 cm error cause manual measurements.2. For the two legs Clothes , pls pay attention to chest girth, And for four legs, must fit for chest girth and back length.3. For the growing puppy, you'd better choose the bigger size.