[SKOI] The first double-layer whiskey glass with hand-warmed borosilicate crystal clear glass

**Product Name**: SUI one bottom four corner eight side double layer cup **Material**: high borosilicate glass **Capacity**: 240ml **Size**: 7.5Ø*9cm **Heat resistance**: 120℃ ____________________________________________ **This product can be customized by laser engraving** Triangle: Can engrave Chinese, English or Japanese names [Please contact the designer to provide the name content] Four sides of the cup bottom: can be engraved with store logo [Please provide the AI file and contact the designer to confirm whether the provided file can be produced] ____________________________________________ **Precautions** Not suitable for heating in electric cookers, ovens or microwaves Not a dishwasher-grade dish dryer If you find any chipping or cracking, please stop using it. Please use neutral detergent and soft sponge to clean