Safeguard dewormer for dogs only. Each Packet Treats 40 lbs. Each box contains 3 packets which treats dogs for round, hook, whip and tapeworm. Mix in regular food. Give Safe-Guard to your dog by mixing the daily dose with a small amount of food. Repeat dosage for three days in a row. Each box contains three daily treatments for the weight specified. For example, if your dog weighs 30lbs, you will need to use one 10lb dose and one 20lb dose each day. If your dog weighs 50lbs, you will need to use one 10lb dose and one 40lb dose each day.