Francfranc GS Pair Tumbler NATURAL Stainless Steel Tumbler Vacuum Double Structure Gift

●Microwave: Not allowed ●Oven: Not allowed ●Dishwasher: Not allowed ＜Before use＞ ■Before using for the first time, check that there are no cracks or damage on the main unit, and wash thoroughly with a soft sponge dampened with dish detergent. ■Vacuum manufacturing process There is a hole at the top and a sticker is attached for protection. *It will not affect functionality even if it comes off. ■It is more effective if you pour a small amount of boiling water into the main unit and preheat it for a few minutes before adding drinks. ■Do not use for anything other than keeping drinks hot or cold. ■Please be careful not to overfill the drink. ■Do not add foods containing a lot of salt, such as soups or sports drinks, as this may cause rust and rot. ■Do not heat in the microwave. Do not put it in the freezer. ■If the heat retention properties decrease, please stop using the product as it may become hot and cause burns. ■If the dirt inside the main unit is difficult to remove, use oxygen bleach every 30 minutes. ■Do not use bleach on the outside of the product as it may cause the paint and bottom seal to peel off. ■Do not use the dishwasher or dryer. Do not sterilize by boiling as this may deform the parts and cause burns. ■Insufficient maintenance may cause stains, discoloration, odors, and peeling of paint. ■Due to the adhesion of iron and other impurities contained in water, spots of red rust and limescale may adhere. Pour lukewarm water containing about 10% vinegar into the main unit and let it sit for about 30 minutes, then wash it thoroughly with a soft sponge. A pair of stainless steel tumblers that come in a luxurious box and are perfect as gifts. We have prepared 3 tastes so that you can choose according to the recipient. The vacuum double-walled structure has excellent cold and heat retention effects, allowing you to maintain the drinking temperature for a long time. It also has excellent insulation properties, so no condensation will form even when you put cold drinks in it, and it is easy to hold even when you put hot drinks in it. We also recommend gifting a set with the matching ceramic series.