Welcome to Outdoor Drop-Shipping Store _x005f_x000D_ I can do and accept CSV file orders. _x005f_x000D_ No invoices in the Package. _x005f_x000D_ I will send orders within 24-48 hours after payment . _x005f_x000D_ The delivery time is about 4-8 days via USPS and 15 days via Epacket . _x005f_x000D_ Please send messages to me if you need any help . _x005f_x000D_ Features: Material:ABS rigid plastic Volume:130 dB Description: 1.This whistle is made of ABS environmentally friendly plastic material by fine processing, with the advantages of safety, environmental protection, and non-fading. 2.This whistle has a loud sound which can completely cover the crowd and the natural environment murmur. 3.The whistle is super-loud, easy to blow, can easily penetrate a variety of noisy environments, indoor and outdoor sound is very shocking. 4.This whistle is made of high-quality environmental protection materials to protect the teeth, the design of the protective teeth is easy to use, will not hurt the mouth. 5.The whistle can be used in referee, training, outdoor activities. Package included: 1x whistle Notes: 1. 1 inch = 2.54 cm 2.Please measure it yourself to choose the right size. 3.Due to the difference between the different displays, the picture may not reflectthe actual color of the item. Thank you! _x005f_x000D_