Personalized Oh Snap Lunar Eclipse 2018 T-Shirt. Funny totality lunar eclipse 2018 novelty souvenir T-Shirt - White with cartoon sun, earth and moon taking a selfie with a cell phone says OH, SNAP! LUNAR ECLIPSE 01.31.2018. Everyone loves our Custom T-Shirts! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.