The Eyce 14mm Quartz Bucket is made from a fused silica noncrystalline (glass) form of silicon dioxide (quartz, sand), creating a highly cross-linked three-dimensional structure. The highest quality quartz buckets on the market, Eyce’s buckets can be exposed to high temperatures while maintaining optimal material flavor. This Eyce 14mm Quartz Bucket is a male tip-fitting piece and is compatible with the Eyce Spark or any 14mm joint.