Speed Bag - 9" x 5" will give you better speed & resistance for your boxing training. The teardrop shape and balanced speed flow innovation provides the ideal blend of challenge and effectiveness. This bag is suited for any level of experience and will help improve your hand/eye coordination and muscle resistance. Full-Grain Leather Rivets Straps Attachments High-Quality Latex Bladder Lace Track For Bladder Replacement Weighs 5.5oz (once inflated) Embossed & Printed Graphics Warning: Speed bag platform and swivels sold separately. Maximum 7 PSI inflatable capacity.