20 pieces Keychains, made of elastic high quality material, can keep the shape well easily no matter how you bend them. Match with metal split key rings, the ring to collect the tennis ball is thin material, avoid pulling the key ring and tennis ball at the same time. They can be applied for favors, a great school carnival prize for teachers and students, these key chains add flair to any table setting as decorations or as a sports centerpiece, welcomed fans. Take away the key ring and left the tennis ball alone, act as a toy for student to play with them, both elastic and shapes easily attract children's interest, can attach to backpacks every day Nice giving gifts: the keychains are suitable for adults, and the tennis ball cater to student, share with your friends as a nice giving gift. color:Yellow Material:PU size:4cm Package Contents: 20 x Tennis Ball Yellow Keychains Only the above package content, other products are not included. Note: Light reflection and different displays