Advance the times: a good idea. How often lack a good highchair. The seat bag can be perfectly put in the diaper bag and is always there. The build quality is solid, because there is nothing to complain about. However, our (then) 10 months old daughter has an increased urge to move. the fixing only around the waist is not enough the baby in place to keep. It went so far that it threatens despite scarf, around the chest and tied the chair to tip over. I had to stop my knees to chair it. The focus of the seat is thus been too high when inflated. Another fixation of the child is necessary and a quick hand to prevent worse because even missing lateral boundaries. The product is commercially available for 12.99 - so I find the offer of 10 + Shipping ok.