I'M NOT CRAZY!
All time fan-fave! Get some quirky, funny and nerdy designs out of this winderful collection, which just like Sheldon - have been tested.
Industry standard size approx.:2.3in. x 4.7in. or 6cm. x 12cm. with protective backing.
Each design takes about 25 business days in production and about 7-14 business days shipping to you, depending on destination. This keeps the stock low to minimize waste.