This item is a referee kit, made of PVC material. Red and yellow cards are placed on the outside of the clip for easy and quick extraction. Internal scoring paper can be changed, can adapt to all kinds of games. It can be your . Features -Color:Assorted Color -Material:PVC, Metal -Size:11.00X7.00X1.00cm/4.32X2.75X0.39in -Note: with or without pattern on the whistle is random -Manufactured with high grade PVC material, safe, durable and wear-resistant. -A must for volleyball, football and soccer referees, very practical and necessary. -Special wallet design allows referees to take out cards easily and fast, very convenient -Red and yellow cards are placed on the outside of the clip for easy and quick extraction -For school sports practice, basketball, soccer, soccer and other sports, for referees, coaches or anyone who needs a safety post Package list: 2 x Red Cards 2 x Yellow Cards 2 x Pencils 2 x Note Pads 2 x Whistles