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Free UK delivery · Free 30-day returns · sportium.co.uk@gmail.com





Every order ships free with tracking. Timings are on our delivery page.
Email us with your order number within 30 days of delivery and we will send a prepaid returns label. Refunds go back to your original payment method.
Tell us the sport, your level and the measurements that matter at sportium.co.uk@gmail.com and we will help you choose.
JIOBOLION Single Baseballs are regulation-size (9") practice baseballs with a durable synthetic leather cover and an unmarked surface perfect for signing or custom logos.
Engineered to match standard adult league dimensions, this single JIOBOLION baseball combines a rubber-cork core, raised seams, and a synthetic leather exterior to deliver reliable flight, grip, and longevity for practice, drills, or keepsakes. Its blank white cover provides generous space for autographs, artwork, or team branding while remaining affordable and built to handle repeated throws, catches, and hits.
The JIOBOLION regulation baseball offers consistent motion and a firm feel when pitched or struck. Raised seams improve pitcher grip and spin control, while the rubber-cork core returns predictable energy off the bat—ideal for batting practice, fielding drills, and bullpen sessions.
Yes — the clean, unmarked surface is designed for personalization. Whether you need a ball for player signatures, trophy displays, or custom artwork, the smooth synthetic leather takes ink and markers well and provides an attractive blank canvas.
The synthetic leather outer layer and stitched seams are made to withstand regular training and gameplay. While designed primarily for practice and warmups, the robust construction holds up well to throwing machines, fielding drills, and repeated batting practice.
This single baseball follows regulation measurements used in adult leagues. It’s compactly packaged and ready for immediate use by coaches, players, and event organizers who need a standard, customizable ball.
Who is this for: The JIOBOLION Single Baseball is ideal for coaches, league players, practice squads, and collectors who want a regulation-size ball that balances training durability with a blank surface for signatures or branding. It fits adults and competitive-level training needs, and is also a practical choice for families, schools, and clubs seeking an affordable, customizable baseball for drills, gifts, and displays.
Q: Is this baseball regulation size for adult leagues?
A: Yes, it measures a 9-inch circumference and weighs about 5 ounces, matching standard adult specifications.
Q: Can I sign this baseball with marker or pen?
A: Yes, the unbranded synthetic leather surface accepts pen and marker signatures when allowed to dry fully.
Delivery: free and tracked to addresses across the UK, with no minimum spend. We email your tracking link as soon as your order is dispatched; timings are on our delivery page.
Returns: 30 days from delivery to return an unused item in its original packaging free of charge, with a prepaid label. This is on top of your 14-day legal right to cancel, and your Consumer Rights Act protections for faulty goods.
Damaged or wrong item? Email us a photo at sportium.co.uk@gmail.com and we will replace or refund it.
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