Our GULA dog collars are designed with both owner and dog in mind; stylish, functional and durable design and comfortable wearing comfort. All our collars are made in our own workshop in Amsterdam. Quality is our top priority, it is in everyone's interest that our products are made from the best materials; durable, water resistant, antibacterial and rust proof. Collar materials: - Biothane (high quality nylon combined with a patented TPU coating from the USA) - Solid brass Collar Applications: - Unique and striking design - Durable - Water resistant/water repellent - Odor and mold resistant Size: S: 22 - 27 CM S: 26 - 33 CM M: 34 - 42 CM Materials = Biothane, Brass, Vegan = Yes, Handmade? = Yes, Cruelty-Free? = Yes