Summer Vibrating Baby Bouncer Bertie Bear has a cute teddy and toys design print and a removable toy bar which has 3 hanging toys to stimulate your baby. It is suitable for babies from birth to approximately 6 months (9 kg) or until they can sit unaided. The baby bouncer comes complete with a matching swaddling fleece blanket to keep baby warm. The bouncer vibrates gently to soothe baby to sleep and requires a D size battery which is not included. Both the fleece and the bouncer cover can be machine washed at 30 degrees.