The 2020 Topps Seattle Children’s Hospital Heroes Factory Sealed Box Set & One Auto features a standard sized sports trading card set with 25 cards, with one additional autographed card. This special edition set is manufactured by Topps in 2020 and comes in a box configuration, making it a valuable addition to any sports card collection. The hard signed autograph adds a unique touch to this limited edition set, making it a sought-after item for fans and collectors alike.