High Clarity CLEAR Plastic. Individually wrapped and boxed to avoid scratching. Stackable. Inside dimensions are 2 7/8" x 2 7/8" x 2 7/8"

Made of high impact, super clear polystyrene
2 piece design with built in stand
Stackable
Each holds 1 regulation sized baseball
Exterior dimensions: 3 3/16" x 3 3/16" x 3 3/16"
Interior dimensions: 2 7/8" x 2 7/8" x 2 7/8"
Baseball in photo not included with product