Product material: soft glue + insect repellent Product packaging: cardboard Product function: provides protection against fleas and lice for 8 consecutive months The collar is suitable for small dogs and works on contact, so fleas and lice don’t have to bite your dog to death. Veterinarians recommend easy-to-use, odorless, non-greasy collars to prevent fleas and mites on dogs; no need to tackle the mess every month Begins to repel and kill fleas within 24 hours of initial application