WARM THERMAL AIR Designed to dry your wet boots, shoes, gloves or garments safely overnight with warm thermal air that rises naturally without over drying or shrinkingKEEPS SHOES FRESH Keeping your shoes and boots dry is key to keeping them stink-free. Dry time warm-up (30 mins); damp (8 hours); wet (overnight)SILENT DRY - Safe, Silent, Simple, no motor or moving parts, so quiet you might think it is not actually working, when it isMULTI PURPOSE - The sturdy base allows you to use this dryer with all types of winter boots, work boots, rain boots, tennis shoes, ski boot liners, gloves, hats and accessories safely without over drying.Notice:The plug of this product is a Chinese 220V plug. If you buy this product, you need to buy another conversion plug to use it.