Each piece was formed by applying the molten cranberry threads to glod flecked avventurina glass. They are hand blown and measurements may vary from bowl to bowl a bit but they measure approx. 4" diameter and 2.5" high. I have 6 matching wine glasses up for sale as well if you are interested. All pieces are in pristine condition.PLEASE VIEW ALL PHOTOGRAPHS CAREFULLY FOR DETAILS OF THIS ITEM. WE DO CONSIDER OUR PHOTO'S TO BE OUR PRIMARY DESCRIPTION DEVICE AND AS YOU KNOW PHOTOS ARE WORTH 1000 WORDS! WE HAVE A 100% GUARANTEE AND WILL TAKE CARE OF ANY CLAIM ON YOUR BEHALF. SHELLY'S HIGH END COLLECTIBLES IS A SMALL FAMILY BUSINESS IN ROCHESTER, MICHIGAN. IF YOU ARE NOT SATISFIED FOR ANY REASON PLEASE CONTACT SHELLY PRIOR TO LEAVING FEEDBACK. THANK YOU KINDLY FROM SHELLY AND HER FAMILY!