Easton LST9 Stealth CNT  Youth Baseball Bat Bat Warranty: One Year + Phone Number:888-259-1297 This Warranty Covers All Manufacturing Defects Resulting From Normal Field Usage. How To Return A Defective Bat: Note: Save Your Receipt As Proof Of Purchase! It Is Required To Return A Defective Bat Call Easton Sports Warranty Department At (888) 259-1297 To Obtain A Return Authorization Number And Return Address.