Material damping massage shoulder pads Splash water: waterproof fabric, fabric smooth, bright color, feel comfortable, with good waterproof performance, abrasion, high heat resistance Large internal capacity bag, place a laptop computer, tablet no pressure Multifunction storage bag design: computer, iPad, power cord / mouse position Multifunctional auxiliary bags: can be classified documents, laptops, cell phones and other items, many things equally well-organized Padded shoulder straps shoulder pads: There are thick shoulder pads, shoulder carrying strap length on the bag more suitable Portable comfort zone: hand with practical, long-term wear-resistant and durable, long hand is still comfortable Practical performanceMultiple method: portable, shoulder, Messenger