This is a one of a kind handmade Boro Glass Art Marble, in my Slightly Twisted style marble. This is Homemade from my Lampworking Studio in Southern Oregon. This marble weighs 12.6g & 7/8" & 2.2cm. The colors are Red, Orange & Yellow + encased in clear over that & I did hand pull this color down myself. If there's any other questions please feel free 2 ask?? Shipping in the US will b though USPS & will cost $5.00 on top of whatever the marble sells for, Thanks for looking & Thank U 4 your support & Have a nice day. Feel free 2 check my other listings.