2.2 inches Ball Pit Balls - A perfect size for small child's hand with bright & attractive colors. For reference, you may need at least 300-400 pcs balls to fully fill a 35inch/90cm round ball pit with your kids inside. Great for filling any ball pit, tent, playhouse, kiddie pool, playpen and bounce house. The best choice for children, safe and healthy, protecting your kids without worries. Practical & Full of Fun - Colorful pit balls help you train your child's physical coordination and color recognition as well. Specifications of Ocean Ball: Circumference: 15.7cm (6.6in) Diameter: 5.5cm (2.17in) Weight: 3.4g of 1 BallPackage Included: 1 Pack x 100 balls IMPORTANT NOTES: *Messages will be ignored if any specific color is required. *A small percentage of ocean balls may be possible damaged during transit. *The actual product maybe slightly different from the picture shown due to lighting and the color setting of each individual monitor. *NOT suitable for children under 3 Years Old.