Come and see our amazing products. This dog collar is made of nylon. Customize this collar with your company logo or design for maximum brand visibility.And is fully-adjustable with a sliding plastic buckle closure and a thick metal ring to attach to a leash. This adjustable nylon collar is available in 15" x 1" or 23" x 1" sizes for all kinds of dogs. Measuring the neck circumference of the pet, so that the dog can wear more comfortable. Pls confirm with us about the packing info, stock color and exact production time before placing your order