World's most comfortable stress ball! The Cyber Gel HGX provides great therapeutic stress relief with unlimited squeezing. Features: Comfortable Lycra covering, filled with semi-solid gel, highly therapeuticPatent: 6,224,513 | 6,475,119Material: LycraStandard Decoration Includes: Full Color, 1 LocationAll Available Decoration Options: Full Color Direct to Substrate: 1" DIA SideClick Here For Virtual Proofing ToolStandard Packaging: Bulk