PediaSure is offering up a new mail-in rebate, valid for a FREE Can of PediaSure Shake Mix (up to $15.99 value)! Your PediaSure purchase must be $9.97 or more. Just make your purchase before December 1st and complete the rebate form. Rebate must be postmarked within 30 days of purchase. Be sure to read the rebate form carefully and to follow the instructions as stated.