Baum Bat: Fill out the warranty form online at www.baumbat.com
Demarini Sports: Contact Returns at 1-800-267-7506
Easton Sports: Contact Returns at 1-844-436-2292
Marucci Sports: All bats must be registered online at www.maruccisports.com within 7 days of purchase. Defective bats within the 30-day warranty period must submit a warranty form online at www.maruccisports.com
All other returns please contact Prostock Athletics directly with your original receipt for warranty information.