"Serenity" is a tri-color kugel made with transparent colors of Hyacinth Purple, Emerald, and Gold Topaz. Use your favorite scented oil or the included complimentary bottle of "Almond Milk and Honey" scented oil. Each hand blown glass Double Bubble Aroma Ball is completely handmade. The size is approximately 4 1/4" diameter at the widest point by 6 1/4" tall. Although made to design, each one will have uniqueness one would expect from a true handmade glass art object. Variations in color patterns, size, and color saturation may be evident from the shown stock photo.