Your search for "seahawks combo" revealed the following:

COMBO: Seattle, Washington Pro Sports 3-Poster Combo Set (Seahawks, Mariners, Kraken)

COMBO: Seattle Seahawks Football STYLE 3-Poster Combo Set (Retro, Art, Helmet-Logo Posters)

COMBO: Super Bowl XLVIII (NYNJ 2014) Official Poster & Super Tickets

Super Bowl XLIX (Arizona 2015) 2-Pennant Combo Premium Felt Collector's Pennants - Wincraft