There are very few natural displays of color that are as beautiful as the Aurora Borealis. That ethereal show of color produced by the Northern Lights inspired the design of our 'Aurora' collection,' Cantel Blown Glass Artisans explain. They craft the tumblers by hand, using traditional blown glass techniques featuring swirling lines of color like orange, yellow, green and red underscored by aqua blue. This exemplifies the hand-blown technique, making every piece a unique example of blown glass craftsmanship. - Recycled glass Product Dimension - 5.25" H x 2.8" Diam. Product Weight - 2.81 Clear This hand blown item may vary slightly in color, size and shape Free of lead and toxins Hand wash only NOTE - Please note we source and ship all items from our offices in the country of origin of each product. Therefore your order may be shipped in different boxes and may arrive at different times.