Israeli entrepreneur Jon Sumroy has developed mifold, a booster seat that is 10 times smaller than the typical booster seat. It holds the seat and shoulder belts down to match the child’s height and body contours, so as to fit securely. It is easily folded up – ideal for carpools, taxi rides, and even bus rides,

http://www.timesofisrael.com/better-booster-seat-gives-british-immigrant-a-leg-up/