Item Features: GroupII(15-25kg)/ GroupII(22-36kg)has been approved by ECE R44/04Approved for use from 15kg to 36kgHighback booster seat for Group 2 (15kg-25kg)Backrest can be removed to use as a booster for Group (22kg-36kg)Adjustable headrest. Packing Information: G.W.: 9.8kg N.W.: 8.4kg Meas.:L48*W47*H85CM Qty.:2pcs/CTN 1pc/polybag Loading Quantity: 1*20'':318pcs 1*40'':672pcs1*40HQ:756pcs WELLDON always see baby's safe as our mission!