This durable nylon collar is designed to withstand all kinds of weather and even swimming, and features adjustable snap-buckle fastenings for a secure and comfortable fit. Available in three sizes - small (20-30cm), medium (30-50cm), and large (45-70cm) - it's important to check the fit of your pup's collar daily for their safety and comfort. As part of our commitment to reducing our packaging and using recycled and recyclable materials, this item is supplied with packaging that is widely recycled.