computer bag,laptop bag 2.5mm SBR,inner T cloth,5# nylon zip good quality of elasticitym nice appearance and rich colour notebook bag,computer bag2.5mm SBR,inner T cloth,outer lycra cloth,5# nylon zipgood quality of elasticitymnice appearance and rich coloursyour log can be printed on itdurable and supply the best protectionlet you feel smooth and enjoyable 3mm SBR neoprene computer bag