On the front of this t-shirt find Dr. Sheldon Cooper from the hit television series The Big Bang Theory, he is wearing the trademark hat and his hair is just like the music guitarist Slash from Guns N Roses. Along with the saying “Knock Knock Knockin’ On Penny’s Door” which is a play on words from one of their hit songs “Knockin’ On Heavens Door”.
Available in 7 fun different colors to choose from and a wide variety of sizes that range from Small to 3XL, it is made from 100% cotton that will give you a very soft shirt while also being super durable to last a long time.
Get into this The Big Bang Theory Knockin On Penny’s Door T-Shirt.