The Vintage Penn Ultra-Blue Racquetballs come in a metal container with an original Bradlees sticker, showcasing a classic design and high-quality construction. Made in the United States by the reputable brand Penn, these racquetballs are perfect for tennis and racquet sports enthusiasts looking for durable and reliable equipment. The unit quantity is one, making it a unique and sought-after collectible for sports memorabilia enthusiasts.