[STAINLESS STEEL WHISTLES]: The whistles are made of stainless steel, practical and durable, resistant to fading, not easy to break; The lanyard made of nylon, soft for you to hold or hang, you can use them for a long time. [THANKS WORDS ENGRAVED]: The stainless steel whistles have been laser-engraved with word: Behind every player who believes in themselves is a coach who believed in them first." Makes the whistles a good gift choice for your coach. [WHISTLES WITH LANYARD]: The whistle has a silvery appearance, and each whistle is equipped with a lanyard for your convenience, the lanyard made of nylon is durable and you can hang your whistle around your neck to avoid losing it when not in use, easy for you to carry and store. [SPORTS WHISTLES SIZE]: Crisp sound whistle: 0.8 x 2Inch(2x5cm), plastic box: 0.98 x 3.3Inch(2.5x8.5). [GIFT CHOICE FOR COACH]: The stainless steel whistle not only can e used as a common whistle, but also can be a good gift choice for the coach who you want to thanks. The laser-engraved word can express your appreciation well to your coach on Teahcer's Day or his/her birthday.