Baseball Field Force Batting Practice Urethane Hardball 20-piece set FHUB-21YEL Fieldforce Baseball Goods Swallow Sports Color: Yellow ● Quantity: 20 pieces ● Weight: Approx. 32g/piece ● Material: Foamed urethane ● Country of origin: China Purchased by mistake, thinking it was a different urethane ball. It has been opened, but is unused. 20 pieces x 2 sets, for a total of 40 pieces.