The bucklebone is engineered in acetal plastic and really adds that designer detail.They’re made from high density fray proof tough woven nylon again for durability and reduced wear and tear.These Red Dingo designs have an authentic Australian street and surf style.Fashional owners, and dogs that are out in all weathers.Dual stainless steel D-rings, Fully adjustable, Non Stretch Nylon, One of the strongest plastic clips on world market, Machine washable, quality guarantees  15mm, Neck 30-48cm, Body 37-55cm (S)