Upgrade your Game Castle with the Game Castle Tube Holder, the essential add-on for transporting your favorite playmats in style. Whether you're heading to a tournament, game night, or local event, this sturdy attachment makes travel simple and secure. Each Tube Holder includes one Gamegenic Playmat Tube, capable of holding up to two standard-size playmats. Easily attach or detach it from either side of your Game Castle for maximum flexibility and convenience. Made from extra-durable materials and fully compatible with the Game Castle shoulder strap, it ensures comfort and confidence on the go. Bring extra mats? Pair two Tube Holders to carry up to four playmats with your Game Castle setup. Designed by Gamegenic for protection, practicality, and premium presentation—this is the ultimate travel accessory for serious gamers.