Our vases are made by hand-blown artisans and all our glass vases can be recycled. Usually, we design the vases first, and our artisans will make the vases by hand. So there might have some variations between the same styles of the vases because all our vases are made by hand, not by machine. And also it is very common that our vases sometimes have one or two extra bubbles on the surface of the vases which is also very accepted due to the process of hand blowing. Our handmade glass vases are thickened and have a higher quality and very sturdy. This gray or dark brown vase is excellent for decorating the kitchen, bathroom, study room, bedroom, and living room. Please look at the last pics for sizes information