Color: Rose; Material: Aluminum Alloy; Size: 56 x 15 x 8 mm/2.2 x 0.59 x 0.31 inch (L*W*H); Weight: 39.6g; Packing List: 4 x Camping Whistles with Keyring Advantages: 1. Made of aluminum alloy material ensures the whistle is strong and durable. 2.