Who wouldnt love a Slytherin House Harry Potter book Inspired stainless steel tumbler? This tumbler is covered in burnt pages from the actual Harry Potter book! With the Sylethering House shield on the front, your name on the back, and green drip coming from the top, everyone will know you are a true Slytherin fan! Some prefer a quote rather than their name, just let us know. Like this style but its not your house? Thats okay too, just let us know which house you are, and we will customize to your taste!