Lupine Eco, 1" x 12-20", Adjustable Dog Collar, Granite Pattern, A Unique 2 Tone Weave, Soft Yet Strong, Made From Recycled Plastic Bottles, Warm & Cool Palettes Inspired By The Natural World, Ideal For Medium Dogs, Strong Bar Tack Stitching, Welded D-Ring, & A Custom Designed Side Release Buckle, Not Recommended For Tie Out, Guaranteed Even If Chewed.