Lupine Eco, 1/2" x 10-16", 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 Puppies & Small Dogs With A Slightly Oversized & Easy To Operate Side Release Buckle, Custom Buckles Are Designed To Be The Strongest In The Industry, Not Recommended For Tie Out, Recommended For Dogs Up To 10 LB, Guaranteed Even If Chewed.