20 pieces Keychains, made of elastic high quality material, can keep the shape easily no matter how you bend . Match with durable metal split key rings, the ring to collect the tennis ball is thin material, avoid pulling the key ring and tennis ball at the time. They can be applied for party favors, a great school carnival prize for teachers and students, these key chains add flair to any party table setting as decorations or as a sports centerpiece, welcomed fans. Take the key ring and left the tennis ball alone, as a toy for student to play with , both elastic and shapes easily attract children's interest, can attach to backpacks day giving gifts: the keychains are suitable for adults, and the tennis ball cater to student, share with your as a 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 may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.