This is a product from a lingerie manufacturer. Sweat pads made from 100% cotton with antibacterial and deodorizing properties. The gentle feel of cotton protects against sweat stains. It's economical because it can be washed and reused. It attaches to the bra, so it fits the underarm and prevents sweat from escaping. Unlike adhesive types, there's no worry about damaging clothes or peeling off. I have kept it sealed and unused. If you'd like it, please consider it☆ Hello Kitty Kitty-chan Sweat pads Sanrio Various lingerie items: Bras Girdles Cut-and-sew tops Body shapers Body innerwear Bodysuits Pettipants Babydolls Camisoles Knit bottoms Waist nippers Petticoats Petticullotes Brasslips Underarm sweat protection slips Long-sleeved slips Plus size Plus size/chubby