Rezlli Cute Shape Frosty Freezer Ice Mugs with Straw Clear 11.8oz Set of 4(Red, green, blue and orange) (Oval)

Rezlli freezer mug is a healthy product with gel, which can keep various drinks cold, like beer, milk, coffee, cola, etc; Double-wall design and premium material make the ice mugs sturdy and durable; Fashionable shape and pretty color make the frosty mugs a wonderful gift for someone special. Rezlli freezer cup is double-wall constructed with food class and ice looking non-toxic gel inside, solid and pretty. Put the freezer mug upside down in the freezer for 2-3 hours before using until the gel freeze, pour your drinks in, then the freezing gel gradually keeps drinks chilled for hours. The mug can keep drinks cold without watering them down. The freezer cup can hold up to about 11.8 oz of liquid. Perfect size to fit the freezer door itself and good size handle for everyone. The freezer mug is fashionable and big enough that can be widely used for parties, bars, backyard barbecues, picnics and daily life. Instruction: for the best results，place your frosty mug upside down in the freezer compartment of your refrigerator for 2-4hours,when the coolant(non-toxic)appears frozen, remove it from the freezer and fill with your favorite drink. Feel free to freeze and re-freeze, again and again. Do not use in microwave. Do not freeze below-10℃. Hand wash only.