[SKOI] The first whiskey double-layer glass with hand-heated high borosilicate glass

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