K9 Sport Sack Booster Block Variant:Med/Lrg Crude Protein (min): 40%

Crude Protein (min): 40%

betaine hcl (10 mg)

The ingredients are non genetically modified and free of any chemicals & preservatives

Blessed Thistle herb (Cnicus benedictus):  A long-used traditional plant

and seasonal allergy relief

K9 Sport Sack Booster Block Variant:Med/Lrg Crude Protein (min): 40%K9 Booster Block Sizing 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" (7. 62 cm). It helps make the K9 Sport Sack experience more comfortable for you and your dog. Features Constructed of sturdy, quality foam Removable, washable cloth cover Use two blocks for a 6"