It is a Yo-Yo, and it is definitely a stress reliever. When the day gets long your target audience will grab this great promotional item and enjoy a trip back to their childhood. Size: 2 1/2" diameter. Imprinting: Price includes a one-color, one-position imprint. Imprint area may vary depending on art submitted. Unless otherwise specified, your imprint will be positioned per the item photograph. Please note, uniformity of registration on an additional color/position imprint cannot be guaranteed. (Subject to review and approval of artwork by the factory). Item Color: As pictured. Colors: White, blue or red. Imprint Area: 1 1/4" diameter. Packaging/Shipping Weight: Bulk/250pcs = 14 lbs. Note: Our stress relievers are made of squeezable polyurethane. Some distortion of the imprint can be expected and ink coverage can vary. Due to the nature of the material, uniformity of the imprint cannot be guaranteed and may break up. Because they are hand made, no two stress balls are the same.