Wilson Duke footballs use a butyl bladder for the fill material.
The Wilson Duke mini replicas include raised laces that provide a comfortable grip and a size intended for easy handling.
Product details list a 1 Year Limited Warranty for Wilson Duke footballs.
A 'mini replica' is a scaled-down version designed to resemble the full-size game ball, featuring branded graphics and intended for play, display, or novelty use.
A listed Wilson Duke game-style ball is described as the official professional game ball and is noted as true to what is used on the field; mini replicas are scaled-down versions that mimic that look.
