Ships From HongKong. A: suspension sponge carrying system, breathable perspiration, reduce bear. B: wear-resistant anti-Sarah fabrics, outdoor thorns fear abrasive. C; fear cold temperatures, low temperatures can remain soft cloth, not hard and brittle. Selling four; front three phosphor stripes convenient night travel. This package is a standard paragraph 40 liters, sort, holiday travel travel is very appropriate. Backpack back loop ventilation system, comfortable and practical. Top backpack with a storage warehouse to prevent washing supplies. Small storage position, can be placed pliers, small flashlights and other small emergency items. Triangle reinforcet design, with backpack straps reinforced joints strong and durable design. Chest strap adjustt system can be adjusted to meet different needs.