1 system contains: norelgestromin (NG) 6 mg, ethinyl estradiol (EE) 600 mcg;The composition of the base TTS: outer layer of pigmented low density polyethylene and the inner layer of polyester.The composition of the middle layer TTS: adhesive mixture of polyisobutylene-polybutene, crospovidone, non-woven material from polyester, lauryl lactate.The composition of the removable protective layer TTS: a film of polyethylene terephthalate, a coating of polydimethylsiloxane.Packaging3 pcs