Brighten up your bathroom with unique 40Th Birthday Shower Curtains from CafePress! From modern curtain designs to patterned black and white shower curtains, you'll find the perfect one for you! Look through thousands of designs of bathroom curtains and impress your friends. Even find designs for kids shower curtains to entertain your children. With so many designs and artwork, you'll be sure to find the most unique decorative shower curtains for every one of your bathrooms. Can't find a shower curtain you like? Create your own custom shower curtains with our easy only designer. Add your own artwork, photos or text!