• Premium replacement latex bladder for all speed bags
• Lightweight Speed Kills design for fast and true rebounds
• Super durable construction using only the highest quality latex on the market. Conforms perfectly to the shape of your speed bag once inflated
• Exclusive valve design locks in air and stem can be cut to any length. Includes easy-to-follow instructions to replace your bladder
• Available in Small (for 7. 5" tall speed bags), Medium (for 9. 5" tall speed bags) and Large (for 10. 5" tall speed bags)