PURINA RED FLANNEL PRIME CANINE 50LB by EXCLUSIVE options 50 LB - $30.99 50 LB Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Please call the store at (434) 392-4192 to place your order. Red Flannel® Prime Formula is specifically designed to provide prolonged energy for hardworking dogs. It supplies 100% complete and balanced nutrition for your dog at every life stage.