​​Handcrafted Borosilicate Glass Tumbler – Double-Wall Insulated, Heat-Resistant, Customizable For Hot/Cold Beverages & Corporate Gifts​

The Artisan's Choice for Discerning Drinkers​​ Each ​​hand-blown borosilicate tumbler​​ is a unique piece of functional art, crafted for those who appreciate finer details. Why Professionals Prefer This Glass​​ ✓ ​​Chemist-Grade Borosilicate​​ – Withstands -30°C to 150°C thermal shocks effortlessly ✓ ​​Color Psychology Options​​ – Calming lake green/energizing amber/classic transparent ✓ ​​Precision Capacity Scaling​​ – 200ml for espresso, 280ml for cortado, 400ml for iced lattes ✓ ​​Naturally Non-Slip Base​​ – Frosted bottom prevents sliding on marble countertops ✓ ​​Light Refraction Magic​​ – Double-wall creates mesmerizing liquid light effects Barista-Approved Performance​​ • ​​200ml​​ – Ideal ristretto shot presentation with perfect crema visibility • ​​280ml​​ – The specialty coffee shop standard for flat whites • ​​400ml​​ – Keeps craft iced drinks cold for 90+ minutes ​​Corporate Gifting Perfected​​ • Laser-etched logos maintain crisp clarity after 1000+ dishwasher cycles • Bulk order discounts available for events & employee onboarding kits ​​Sustainable Elegance​​ • Made with 30% recycled glass content • Fully recyclable at end of lifecycle