Our 1 inch wide ring in the center sunglo advantage wetlands dog collars are waterproof collars for hunting in wet conditions. This polyurethane coated webbing is soil, odor, and rot resistant. This dog collar can be easily cleaned and is very durable. This dog collar is available in size 19, 21 and size 23. Our sunglo dog collar can be cut off and have holes added without burning or melting like conventional nylon. For correct collar size PLEASE MEASURE YOUR DOG'S NECK AND ADD 4 INCHES.