My boy is 7n a half months old, what kind of sipper can I use for him?

A. weaning has three stages in which it can be started . stage 1 consists of introduction of semi solid food which is done at 5 to 6 months of age . it should be given cvgradually. stage 2 consists of more textured and new taste to baby by 7 months of age stage 3 in which a more variety of food can be started by 9-12 months of age...