375cc [MSA double-layer cup made-to-order] Forest handmade double-layer cup insulated non-hot glass mug extra large mug (without drinks)

** Please contact press [designer] Note lettering content (in English, Japanese and Korean figures can) ** Brand: MSA GLASS ENGRAVING designer hand-carved Material: handmade glass products / hand-blown borosilicate glass Heat: instantaneous temperature difference -20 ℃ to 150 ℃, expansion coefficient of 3.3 Size: cup diameter 9cm x height 10.5cm / 375cc ** Custom range: a text (in English and Japanese figures can) ** ** (Special customized according to the complexity of the additional offer, welcome to provide custom drawing) ** Note: handmade blown glass, there are slight differences in size and shape Weight Thickness, who belongs to the unique glass bottom pull profiling of small bubbles and cup double knot points, and so is the process needs, is a normal phenomenon, please pay attention to these instructions before ordering Features or customer service consulting, to avoid small misunderstanding or dispute ** Handmade batch are a little bit different ** An air layer is formed between the double glazing, effectively reduce the heat exchange inside and outside of the cup, both loaded high temperature tea, coffee, or install a low temperature ice water, cola, all to make your hands are at the proper temperature . ** Reminder ** special cup double 1, artificial blown glassware few tiny bubbles are present, the flow line marks, and hand signs and so on non-defective! 2, the same style goods ubiquitous small differences in roundness, height, curvature and other phenomena is reasonable, this is caused because the pure craftsmanship. This point is also a key difference between the hand-blown and mechanism of the product! 3, hand blown glass vessels than the value of automated production lines generally 8-10 times higher. Obtained under reasonable control production of artificial blowing production premise has a unique and special value. 4, due to the double-layer design, bottom of the cup to leave holes, non-defective items, and this vent sealed with special materials, ensure that no water in the double (not long immersion in water) due to the double bottom of the cup viscose point for the normal process marks, blemishes or non-quality problems, use should pay attention to the protection of this point. 5, when the proposal was washed using washing, do not soak the bottom of the cup for a long time in the water, in order to avoid double water or steam. 6, do not scrub the washing holes penetrate this point in order to avoid damage, water or steam view of the above tips, double water caused by any use of the process, you can not do any returned responsibility. After making a purchase, please understand.