Add a little luxury to your smoking ritual with a 18mm diamond bowl piece for your water pipe setup. The bowl size is perfect for the solitary and social smokers alike with enough room for a decent amount of ground material per pack. The glass is thick and translucent, making it durable enough to withstand even the clumsiest of users. These bowl pieces also come in a variety of colors, including: Clear, Black, Emerald Green, Blue, and Dark Amber/Brown. Please specify your color preference in the comments section of your order! And be sure to check out our other diamond bowl pieces in different sizes and styles.