Safety Flame Retardant MaterialFlintronic shoe dryer is made of UL94 V0 ABS flame retardant material. The surface temperature is kept between 50 and 60C, the core temperature can reach 150C, it is resistant to pressure and high temperatures, and it is not easy to burn or deform during use. 60 Total Heat DissipationThere are many densely distributed ventilation holes on the surface of the dryer. During heating, a circulating stream of warm air forms in the interior space of the shoe, which ensures an even 360 heat distribution and accelerates water evaporation. It can also take into account both the sole and the upper, and dry evenly even in dead zones. Temperature ControlThe dryer can set different times of 4/8/12 hours, this precise time control can protect your beloved shoes from overheating. The shoe dryer has 2 integrated PTC heating elements. It can destroy the living environment of shoe microorganisms by high-temperature drying and has the effect of inhibiting the growth of microorganisms and eliminating odor. Easy to CarryThe size of the portable shoe dryer is the size of the palm of your hand, it can be easily stored in a suitcase or bag, perfect for travel or home use. This winter/rainy day, you'll never have a headache drying your shoes again. Wide ApplicationThe shoe dryer can protect your shoes from moisture! Warm up your boots on cold winter mornings! Dry, keep warm, deodorize, disinfect shoes! The ring design is also suitable for all kinds of footwear, such as cotton slippers, leather shoes, canvas shoes, work boots, snow boots, and sports shoes.