For beginners - 3 feet (36 inches, 91 cm)
For intermediate and advanced trainers - 4-5 feet (48-60 inches, 122-152 cm)
For advanced trainers or specific striking movements - 5 feet (60 inches, 152 cm)
Children too young to use a punching bag that is too tall and too large can get frustrated because the large bag exceeds the child's current ability and its reactionary force can push the child far away so the child can't better enjoy punching and kicking.
Our boxing bag are of good enough quality to last for several years, enough to accompany children to teenagers.