This puppy/starter nylon agitation collar is made with 1 3/4" Type 13 webbing, high-strength aluminum size adjustor and nickel-plated D-ring for superior durability yet very lightweight. The construction and materials of this collar will certainly last through the puppy training stage. Velcro closure provides a secure fit and easy adjustment. Can be sized from 11" to 16". Available in black or coyote.