Description: Featuring a hanging sling design, this product can be hung on the belt, D-ring, or clipped on the clothes backpack, which is convenient to carry and use. Making the sound is loud and has strong penetrating power under different environmental conditions, this product can produce high and low audio at the same time with its double tube design. Made of ABS material, this product is wear-resistant and long lasting. The length of the whistle is 7cm, width is 2cm. It is suitable for hiking, climbing, camping, riding, running and others outdoor sporting. Item Name: Survival Whistle Material: ABS Features: Easy to Carry, High-frequency, Extra-Loud Size Details: Rope Length: 90cm/35.43" (Approx.) Whistle Size: 7cm x 2cm/2.76" x 0.79" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Survival Whistle