FREE personalization with your dog's name and your phone number for priceless peace of mind. Goes on in a snap, removes just as fast. Sturdy nylon with heavy-duty side-release buckle and steel D-ring. Features sonic-welded seams, which are 80% stronger than stitched seams, and smooth, tapered edges. No loose collar end, no matter the adjusted size. An ideal choice for growing puppies. Personalize size XS and S up to 24 letters and/or numbers, including spaces, M, L, and XL up to 28 letters and/or numbers, including spaces. Choose contrast thread color: gold, pink, red, purple, green, blue, orange, white, black. All personalization in uppercase letters. Not recommended for tying out your dog. Washable. Made in USA.