Size: S, adjustable length 11"-15" ( 0.6" width), for the proper fit when your dog wears it, please measure your dog's neck circumference and refer to the size chart picture we provided to choose the right size Durable Construction: This martingale dog collar is made of sturdy and high quality nylon material. It also offers a wide variety of color options, and is suitable for dogs of all breeds and sizes, ensuring long-lasting durability Buckle - Free: Martingale dog collars are designed for slip - on wear. They tighten moderately when pulled, with a limited tightening mechanism to prevent over - tightening. They automatically loosen when there's no pull. This gentle control eases dog walking and training Escape-Proof: This cute collar prevents dogs from escaping and corrects their behaviors. The martingale collar is excellent for training, allowing for gentle control and ensuring a safe and comfortable wearing experience. It's not suitable for tying up dogs! Colorfast: Our dog collars are professionally dyed. The colors penetrate deep into the fibers and attach firmly. Despite exposure to sunlight, rain, or multiple washes, the colors remain vibrant for a long time, enhancing your dog's wearing experience

XL：21" - 34" Large size:16"-25" neck x 1" width M: 13 - 19 inch S: 11 - 15 inches with heavy duty solid color martingale collar for large breeds dogs.

It`s the training walking daily use necessary collar

This martingale collar are suitable for your large 4 legs friends.

Whether boy girl male female dog.

Hyhug pets focuses on providing high quality,comfortable,safe,durable and stylish collars .

The metal parts used are carefully selected to ensure safe and durability and beauty. Every process and sewing detail of the product has undergone rigorous research and handling, will not let you have any accidental scraping damage, we are committed to making you and your furry friend love and safe to use.