[【Lightweight and Durable】Extremely light weighing only 1 oz(S) / 1.7 oz (M/L) yet capable of withstanding 4000 times its own weight. Suitable for daily wear and can handle extreme environments and pulling forces. "【Minimalist Perfect Circle】To achieve a smooth circular shape for the collar we redesigned the buckle and snap adjuster. This enhances the collars aesthetics and allows it to comfortably conform to your dogs neck." 【Easy Adjustment with Snap Adjuster】Compared to traditional slide adjuster the snap adjuster allows for a neat finish and easier adjustment. 【Quick-Release Light Alloy Buckle】Can be release with a easy press. It is able to withstand pulling forces of 1000N (S size) / 2000N (M/L sizes). For the area frequently in contact and friction with the leash hook we used high-hardness aluminum alloy material to ensure wear resistance and color retention. 【Read Before Purchase】Our premium collar is available in sizes S M and L to fit puppies through large dogs. For your pet’s comfort and safety please measure around their neck allowing a 2-finger gap for the perfect fit.]