... /17inch 3 Test: SGS. REACH, INTERTEK 4 Certification: ISO9001:2008 school backpack 1.hiking stick attachment2.expanding pockets on sides3.detachable velcro ... rain cover5.front strap with emergency whistle6.hydration system7.With a good padded back panel8.With good padded shouder strap M ... order: 30-35day after sample approval.Payment1.L/C,D/A,D/P,T/T,Paypal, WesternUnion, MoneyGram, Bank transfer, ...