Value - BetterBack makes every chair ergonomic for one low cost;Portable - fits in a purse or backpack so you can take it anywhere;Comfortable - relief for your painful back and body when you sit ergonomically;Effortless - have perfect seated posture in 5 seconds flat;Original - AS SEEN ON SHARK TANK. BEWARE OF CHEAP KNOCKOFFS AND COUNTERFEITERS!!! IF IT DOESN'T SAY BETTERBACK ON IT, THEN DON'T BUY IT!