Made of Confortable foam and stainless steel handle.Used for referees to give orders and transmit signals.Eye-catching and waterproof, suitable for all kinds of weather. Wallet Nootbook allows referees to take out cards and fast, easy to bend back and not easy folded broken.together with game score plan inside. The referee training whistle is made of Stainless steel,which is durable and can be used for a long time. The sound is loud and clear. You can use it wherever you need to quickly get the attention of others. The pack is also suitable for many sports referees. color:As shown Material:PVC+foam Package Contents: 2 x Judges Flag 1 x Red and yellow card with leather case 1 x Metal Whistle (Random, Cannot choose the specified whistle) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.