yueton 6pcs Colorful Winebottle Style Aluminum Whistle with Key Ring, Sports Emergency Survival Whistle Key Chain, Hiking, Camping, Mountaineering Accessory Unique wine bottle shape design whistles High quality aluminum material Light weight and portable mini size whistle with key ring, easy to carry Loud whistle, great for sporting events, camping, hiking, boating, outdoor activities Pack of 6, assorted colors