ZCtron Kitchen And Bathroom Stainless Steel Punch-free Brushed Straight Round Hooks 4 Pieces Silver)

NylonImportedPolyester liningZipper closureExternal dimensions: 14

9" x 10

6" x 2", internal dimensions: 13

4" x 9

8" x 1

2"

Fit for 13

3" laptop most

External dimensions: 15

7" x 11

4" x 2", internal dimensions: 14

5" x 10

2" x 1

2"

Fit for 14" laptop most

External dimensions: 17" x 12

5" x 2", internal dimensions: 15

4" x 10

6" x 1

2"

Fit for 15

6" laptop most

External dimensions: 18" x 13" x 2", internal dimensions: 17" x 12" x 1

2"

Fit for 17

3" laptop most

External fabric is waterproof nylon

Internal fabric is polyester, with CONVEX buffer pad for bump protection

External: 3 pockets with zipper

Internal: 1 compartment for laptop, pockets for pens and cellphone

An extra back strap for fixing the bag on trolley case