The Forza Sports Replacement Rubber Speed Bag Bladder is an extra durable replacement bladder that is also lightweight. The bladder is affordable enough to keep a few replacements on hand, so you don't have to slow down your workout. Get your replacement speed bag bladder now and own a quality, durable speed bag bladder that you will love. The rubber valve will allow you to stitch the replacement rubber boxing bladder into your speed bag.

• This is an upgrade to the plastic version
• Extra-durable replacement bladder
• Replaces easily, holds air well and can really take a beating
• Super lightweight
• Affordable price makes it easy for you to keep 2 or 3 around for emergencies

• Small (Fits Bag Sizes 4"x 7" and 5"x 8")
• Medium (Fits Bag Sizes 6"x 9" and 7"x 10")
• Large (Fits Bag Sizes 8"x 11" and 10"x 12")