Valentine's Day This Valentine's Day Sheldon-Themed Blanket From Is Made Of Thick, Soft Flannel And Designed By Sheldon Cooper Himself. Suitable For All Seasons, It's The Ideal Sofa Cover For Big Bang Theory Fans And A Perfect Gift For Birthdays, Valentine's Day, And Halloween. Inspired By The Official TV Series, This Comfortable And Stylish Blanket, Made From Premium Flannel, Is A Must-Have For Sheldon Fans And An Ideal Addition To Any Home Décor.