1. 4.0 mm Neoprene, comfortable soft, high anti-pressure

2. light color, no fading

3. several sizes, many colors for choosing

4. easy for pulling with ''U" zipper, also for putting notebook into the sleeve

5. waterproof , high elasticity of buffer

6. good protection for notebook keep away shaking & scratching

Fit for:  10'',12",13",14" & 15" laptop 

10'' 270*210*15 mm fit for ipapd 1 2 3,10'' notebook,weight: 0.2kg/pc 

12" 315*230*15 mm fit for 11.6'',11.6" ,12.1",12.5'' notebook weight: 0.23kg/pc 

13" 345*240*15 mm fit for 13.0'',13.3" notebook weight: 0.24kg/pc

14" 365*255*15 mm fit for 14.0'',14.1" , 14.4" notebook weight: 0.25kg/pc

15" 390*275*15 mm fit for 15.4'',15.6" notebook weight: 0.29kg/pc