NaturFlex Jumbo Hippo is the hottest new latex dog toy. Over one foot in size! Naturflex is made with all-natural rubber that is free from harmful chemicals. Each Naturflex dog toy comes with amazing molded details and a squeaker or grunter inside for auditory stimulation. For medium to large sized dogs. Naturflex Jumbo size is the largest latex in the pet toy market. A perfect gift to make a big impression.