Size Small 9 13.2 inches (approximately 23 34 cm) | Medium 11.5 17.6 inches (approximately 29 45cm) | L size 14 22.5 inches (approximately 36 57 cm) | The preferred resting position for the collar Measure the dogs neck with a tape measure. Always leave enough breathing space. Basic dog collar is made of soft and strong nylon fabric and 1 inch wide to add durability. Durable Lightweight-Comfortable collars are designed for all breeds. deliberately keeping the design lightweight. but made of heavy-duty hardware. tough enough to resist the power of the most energetic dogs. Neoprene padding-Give your dog the comfort he/she deserves. Each collar comes with a soft neoprene pad to protect your dogs neck from irritation during activities. Dont worry about odors or dogs playing in the water. Our neoprene is easy to dry and deodorant. All pictures are taken with medium-sized production samples please measure your pet carefully in order to purchase the correct product. Please be sure to check the size chart to determine the recommended weight range to confirm the size