Abstract: A self-adhesive strapless bra that is “invisible”, amenable to easy wear and repeated use, includes two cups connected to each other and two outer extension pieces each extending from the outer side of a respective cup and comprising a base layer made of see-through or translucent TPU (i.e., thermoplastic polyurethane, an adhesive layer allowing repeated use coated on the inner side of the base layer with an adhesive free area reserved along the edge of the base layer, and a stripper attached to the adhesive layer, which stripper can be peeled off when the bra is in use to allow the extension piece to be adhered to the armpit.