The Greek Glass Full Color 18 mm 4-Hole Slide features a durable borosilicate glass bowl and joint with vivid American color design, offering both striking visuals and reliable function. Handmade with 4 precision holes and a vortex-style solid horn, it delivers smooth airflow and easy clearing during sessions. Each slide is ground for a perfect fit, includes an etched GG logo, and fits standard 18 mm female joints, making it a standout upgrade for your glass collection. Product Highlights: Joint Size: 18 mm male, compatible with standard female bongs Design: Handmade 4-hole airflow with vortex solid horn Material: Full American color borosilicate glass, etched GG logo Fit: Precision ground joint ensures airtight seal Style: Vibrant color options like Blue, Purple, Red Elvis, LUCY UV