Fits notebook computers up to 17.3" L x 11.0" W x 3.3" D (43.94 x 27.94 x 8.38 cm),Double safety locking latches with keys,Pick N Pluck with convoluted lid foam,Open cell core with solid wall design - strong, light weight,Comfortable rubber over-molded handle,Automatic Pressure Equalization Valve - balances interior pressure, keeps water out,O-ring seal,Stainless steel hardware,Lifetime Guarantee of Excellence,Dimensions: Interior (L x W x D) 17.75" x 11.37" x 4.12" (45.1 x 28.9 x 10.5 cm),Dimensions: Exterior (L x W x D) 19.87" x 13.93" x 4.68" (50.5 x 35.4 x 11.9 cm)