Ultra lightweight Frameless Polyester 2pc Set includes a 18.5 Carry On and a 27 Upright * Measurements: 18.5: 18.7 x 13.1 x 9, 4.1 lbs; 27: 27.2 x 17.6 x 11.4, 5.1 lbs * Frameless design makes this case ultra light * Four wheel system allows you to tow your case in three different ways and makes traveling easier * Front external pockets can hold last minute essentials