Come and see our amazing products! This multi-functional emergency whistle is made of ABS and has functions such as compass, thermometer, keychain and LED light. It is very suitable for outdoor camping emergency use. It is also an ideal choice for promotional gifts.Welcome to customize the logo, the price includes shipping,4"L x 1.3"W x 1.2"H. Pls confirm further with us if any query about packing info, inventory status and time schedule.