Come and see our amazing products. The USB drive has a large round hole that can be used to connect the key chain. Pattern and logo can be customized. They the perfect promotional option for your next trade show, promotional fair and so much more. Large conferences, public relations activities, exhibitions, etc. as gifts and souvenirs. Gifts or gifts to customers. A new carrier for corporate image and product promotion. Pls confirm with us about the packing info, stock color and exact production time before placing your order