One 10.5 x 12.75 inch The Secret Life of Pets Gift Bag. Make giving birthday gifts even more fun with this The Secret Life of Pets Gift Bag. This gift bag features Duke taking over Max's bed within a city-themed background. Simply place your gift inside The Secret Life of Pets Gift Bag, tuck some fluffy tissue in the top, and tie a curling ribbon bow on the soft cord handle. An attached gift tag lets you write your recipient's name. This lovable gift bag will totally stand out at any birthday party!