Take your performance to the next level with the Gill(R) 4K Softshell Indoor Shot. This indoor shot is made with pure polyvinyl plastic and is filled to the exact weight with fine lead shot. The Gill(R) 4K Softshell Indoor Shot is approved by the IAAF, meeting the dimensional requirements for use in all international shot put competition. FEATURES: High-quality indoor shot Made with pure polyvinyl plastic Filled to exact weight with fine lead shot Approved by IAAF Weight: 4 kg (8.8 lbs) Manufacturer's warranty: 90 days Model: 3194 For additional information relating to the Manufacturer's Warranty, please contact 217-367-8438.