Waxmaid Universal 14-18mm Silicone Glass Twins Bowl fits 14mm and 18mm bong joint sizes. The inner glass screen is surrounded by a strong, durable silicone body for protection and to keep your fingers from getting burned. Strong Protection: A glass bowl surrounded by a strong durable silicone body. FLEXIBLE SIZE - Fits 14mm and 18mm joints. 6 Beautiful Colors - Choose your favorite to match your piece. Glass insert size - 18 mm. It is made from paltinum cured silicone, which is BPA free and FDA approved.
Please Specify which color you'd like in SPECIAL INSTRUCTIONS