Come and Check Our Promo Solutions.This Beer Bottle Opener is made of high-quality aluminum alloy material, sturdy and durable, whistle design with a sense of beauty. It features a whistle that can let out the sound to make others know where you are, and it can work as a pendant and a bottle opener for daily usage. Great for home, camping, hunting, and survival use. Score big with clients when you hand out this fantastic gift. Pls check inventory and detailed info with us before placing your orders.