Crab bathtub reducer, Grey, Ok Baby The Crab bathtub reducer, OK871 from OkBaby, is recommended for children aged between 6 and 15 months. Characteristics: * water level indicator. * fixing with suction cups, to ensure maximum adhesion. * provided with a high backrest for increased comfort. * recommended weight: maximum 13 kg. * the front part opens, to simplify the positioning of the child, but it has a safety system that prevents him from opening the support. Product dimensions: (L) 37.5 x (W) 39.5 x (H) 24 cm.