Features: The stress relief balls made from sponge and PU bring relief, while the gift boxes, sized at about 2.4 x 2.4 x 3 inches, add a touch of style. These heart stress balls are suitable for various events, especially for Valentine's gift exchanges or as game prizes. Specifications: Material: Heart stress balls: sponge, PU Valentine's themed gift box: paper Color: as the picture shown Size: Heart stress balls: about 1.6 x 1.6 inches Valentine's themed gift box: about 2.4 x 2.4 x 3 inches Package includes: 40 x Heart stress balls 40 x Valentine themed gift box Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.