Diameter: 8cm/3.1inch and 10cm/4inch.

For Seasons: Spring/Summer/Autumn/Winter.
Self-adhesive, well fixed, not easy to fall off. Strapless, easy to wear
Smooth look with or without your bra, especially when wearing under T-shirts, sweaters, sheer bras, sports bras, and bathing suits or figure-hugging dress, etc. Especially for wedding photography and photographic use

Self-adhesive nipple cover. no strap, no hooks, no bra pressure, no more hard time. Absolutely natural feel, no harm to skin.