Premium 330ml double-wall borosilicate glass construction ensures optimal heat retention (hot/cold for 6+ hours) with condensation-free handling. Integrated 304 stainless steel mesh filter allows loose-leaf tea brewing with easy cleaning. Custom logo printing available via advanced UV digital printing technology (scratch-resistant, dishwasher-safe imprint). Ergonomic silicone sleeve provides non-slip grip and base protection. Ideal for office tea enthusiasts, boutique café merchandise, and corporate eco-friendly gifts. Commercial-grade durability withstands daily use in hospitality settings. Wholesale MOQ discounts apply for bulk branding orders.