Pick & pack means the order fulfillment service provider picks the items on orders and pack them ready to ship. Although it sounds simple, it requires a series of warehousing management expertise, such as inventory management (timely subtract the shipped quantity from inventory), SKU management (or the consumer will get items in wrong colors or sizes), skilled worker and efficient flexible packing. To sum up, pick and pack include everything between order placement and shipment. After storing products in Dropship-air warehouse, the following step is to pick and pack, the quality of which directly affects the satisfaction of end consumers.