When sourcing Hookah Bottles, prioritize High Borosilicate Glass or Lead-Free Crystal Glass. Borosilicate glass is essential because it offers superior thermal shock resistance, preventing the bottle from cracking during temperature changes (e.g., adding ice or cleaning with warm water). Ensure the glass thickness is at least 5mm to 8mm to provide structural stability and a premium hand-feel. For high-end markets, look for hand-blown craftsmanship which often results in unique aesthetics compared to machine-pressed alternatives.