RayCC Dog Leash Harness Adjustable Heavy Duty Denim Dog Training Walking Leash Collar Large/Medium Dog Size:Leash- 4FT / 1.2m length x 0.78"/2cm diameter,Harness- 11.8" to 23.6"(30cm to 60cm)lenth x 1"/2.5cm diameter. Adjustable Harness: Every harness can be adjusted by using the hard rings. Durable Materials: Made of strong polyamide fabric, wear-resistant and durable. Perfect Quality: Pet leash is designed with material which is toughness and durability, we provide good quality leashes to customers. Made with your dog's comfort in mind dog collar self adjusts as pressure is applied to leash, won't choke your pooch or damage fur.