Booster foam cushion for K9 Sport Sack Size:M/L If your dog is in

If your dog is in the upper band of the sizing chart

No problem

Designed to train against pulling

If your pet sheds and you're tired of fur all around your home

three layers work together to regulate the dog's heat

Booster foam cushion for K9 Sport Sack Size:M/L If your dog is inSizing your dog for a K9 Sport Sack isn't an exact science. If your dog is in between sizes, has a wide body but short in length, or is still growing, the Booster Block fits snuggly in the bottom of your K9 Sport Sack to boost your dog up 3." It helps make the K9 Sport Sack experience more comfortable for you and your dog. FEATURES Constructed of quality foam Removable and washable cloth cover Two blocks may be used to lift up to 6" Choose the size