[SIZE] Measure your dog's neck size and check the sizing table before choosing the size;If your dog's neck size matches two sizes, please choose the smaller size. [NATURAL MATERIAL] DOGWONG dog collars are made with cotton and linen,are natural with good permeability,suitable for daily wear by dogs. [QUALITY] High-quality quick release plastic buckle,equipped with a D-Ring for quick and easy leash attachment.Hand-made, twice quality inspections, to ensure the durability of the product. [DAILY CLEAN] In order to prolong the service life of the product, please don't wash with machine，it can rinsed with water and mild soap . [BEST SERVICE] If there is any problem with the product, please contact us, we will definitely give a satisfactory solution in 24 hours. dog collar