-▲ Black 13 inches bamboo rib with a light polyester fabric, printed with a special fluorescent ink that is reactive under UV light (club/party black lights). -▲ With a fast wrist-snap open the fan provides the ultimate snap sound. -▲ This unique design made by our team will come alive under UV light / Black light as presented on the photos. -▲ This is an ideal gift or accessory for parties, music festivals and your nights out. -▲ While being a cooling accessory for hot and humid weather. This UV hand fan is light weight and used materials are durable for fanning, clacking and snapping. With a quick wrist snap opening, the fan will produce signature snap sound.