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When the ice beverage confronts the hot air and the outer wall will produce water droplets. Because of the principle of the condensation when expose to heat.
1.The water droplats fall along with the outer wall of the cup. Therefore,the water droplets will drop to the mats concave crevices. With an eye to avoiding wetting the desktop.
2.By using non-slip materials,it can prevent the glass from sliding. The design of the shapes surface,we use circular to make it.Thanks of gravity theory,the droplets will drop along with the design of the circular into the cups mat.
3.You can drop the water when the coaster is full of water.
Taoyuan County, Taiwan