Here's a summary of the main features of this foot warmer: Temperature Control & Timer ∙ 9-level temperature adjustment ∙ 1-12 hour timer settings ∙ Feels warm in about 30 seconds, reaches 50°C in 1 minute ∙ High-temperature mite removal mode Materials & Design ∙ Size: 42cm x 42cm ∙ Luxurious crystal boa material for an exquisite feel ∙ Excellent heat retention (better than flannel fabric) ∙ Integrated cord with a 2m long cord Safety & Energy Saving ∙ Five-layer overheating protection system ∙ Maximum output 50W (less than about 1 yen per hour) ∙ PSE certified ∙ No fire, does not pollute the air Usage & Care ∙ Can be used for various purposes, such as feet, knees, abdomen, and lower back ∙ Fully washable ∙ Compactly foldable for storage ∙ Convenient to carry Warranty ∙ 2-year quality guarantee ∙ Japanese instruction manual included This safe and multifunctional foot warmer is also perfect as a winter gift.