Description This item is a referee kit, made of PVC, metal material. Yellow and red cards are placed on the outside of the clip for easy and quick extraction. It can be changed, can adapt to all kinds of games. It can be your best choice. Features -Color:As Shown -Material:PVC, Metal -Size:11.00X8.00X2.00cm/4.32X3.14X0.79in -Manufactured with stable PVC, metal 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. -Yellow and red 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. Manufactured with stable PVC, metal 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. Yellow and red 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.