HIGH BOROSILICATE GLASS: Compared to ordinary glass, borosilicate glass is much thinner, but it has better heat and corrosion resistance. In addition, it has a low expansion rate, high hardness and high light transmission. Its instantaneous temperature difference is between -20-150 . Hot water can be filled in, even if it is still frozen VISUAL PLEASURES: The borosilicate glass has good light transmission. Different visual pleasures are offered when different liquids are poured SKULL EMBEDDED, DOUBLE LAYERS DESIGN: The embedded skull can be filled with liquids with different and special flavors. The double-layer construction prevents the liquid from overheating or supercooling CELEBRATE AT THE FESTIVAL: Show your personality! Brandy should be served in this skull glass. Perfect for vodka, fruit brandy, wine, whiskey, schnapps and liqueurs. Surprise your guests for Halloween or Christmas. Skull glass bottle with a large capacity of 700ml, the glasses are particularly suitable for bars and family celebrations SAFE AND EASY TO CLEAN: The high borosilicate glass has a uniform thickness. The wall is smooth, making it difficult for dirt to adhere. The glasses are easy to clean. The heat is evenly distributed, so the glass will not burst if it overcools or overheats Product description Features: Thinner cup wall, lighter weight:The special characteristics of borosilicate glass are light and thin. This is not cheap glass, because of the complexity of the process, the cost is much higher than traditional glass. Good heat resistance:Temperature resistance up to 200 degrees Celsius. The immediate temperature change between -50-150 C will not damage the mug. Low expansion rate:Whether winter or summer, cold or hot, the cup is not deformed. High light transmission:Can perfectly demonstrate the color of all kinds of wine. Uniform thickness, smooth surface:Dirt is difficult to adhere to the surface, easy to clean. High hardness: High borosilicate glass, also called toughened glass, not easy to break. Notes: Due to long storage and shipping, the new product may have a slight odor after unpacking. The odor can be removed by washing with clean water. Specification: - Certification: FDA / LFGB - Material: high borosilicate glass - Color: Transparent - Capacity: 700ml skull bottle, 75ml skull jars - Size: 31.5 x 30 x 17cm - Perfect for: vodka, fruit brandy, wine, whiskey, schnapps, liqueur Include: - 1 x 700ml skull bottle - 6 x 75ml skull glasses - 1 x manual