Trade name : Creier F. B (included with roommunmat) ■ Material : polyethylene, iron, vinyl chloride, vinyl chloride, manufacturer's name : Finite company Daiko (DAIKO) : Japan ■ Size : 650 mm × depth : 650 mm x height 400 mm <7 kg, and age range : the period of time between months and 15 months of age. 12 ・ The time for the continuous use time / baby to sit on the walker is 1 times 20 minutes or less. It is desirable to spend a total of 1 hours to 2 hours on the first. Note : The product should not be left unattended by the child while the product is in use. Do not lift the child on board. Before putting on the child, make sure to check the joint stopper on the joint. You can put 2 children on the seat at the same time and put them on a seat. It is not used in places with slope, stair or step difference. (The entrance of the stairs, entrance of the veranda, step difference of the entrance door). The walker may fall down, and children may fall and hurt.