True 100% Polycarbonate makes the Samosnite Bright Lites more durable than your average polycarbonate hardside luggage. Pure polycarbonate does not crack like other blended polycarbonates used in most of the luggage industry and can withstand more abuse. Made of 100% polycarbonate for the toughest of conditions, this ultra-light luggage is particularly sturdy and extraordinarily flexible. If compressed, Samsonite Lite Bright will return to its original shape automatically when the pressure is released. Bright Lite from Samsonite are truely a great buy and fun.