Size Chart Neck (A) Chest (B) Length XXS 22-31 28-38 16 XS 29-36 36-48 19 S 35-44 41-54 21.5 M 39-51 46-61 24 L 44-58 60-86 28.5 Adjustable at neck and chest circumference all sizes with extended chest part For information on measurements, please refer to our size guide. Exclusive design by Wuffelliebe Material Neoprene, webbing Care We recommend hand washing our products with warm soapy water to keep them looking their best. If you prefer to machine wash, we recommend placing the product in a pillowcase and washing warm or cold. This will protect the hardware from scratches. Lay the product flat to dry. Wear and Tear No product is completely indestructible. Please check your product regularly for signs of wear and tear. It is the owner's responsibility to determine the suitability of this product for your pet.