This Nose&Ear Hair Trimmer Is Of Stainless Steel Blade,It's Wet/Dry For Men and Women's Whit Vented Cleaning System. Size Of This Nose&Ear Hair Trimmer:13x3x3.5CM;Package Size:16x9.5x3.5CM. Please Use 1AA Battery(Not Included). This Nose Trimmer is 100% Waterproof/Water Resistant, Allows for You to Use This Trimmer in The Shower and Makes for an Easy Rinse Off.