From the manufacturer

How To Properly Use U Plunge Backless Strapless Bra

1. Start with clean, dry skin without any moisturizers, soap, powders, and perfumes.

How To Properly Use U Plunge Backless Strapless Bra

2. Remove protective plastics from bra and safely store for reuse later.

How To Properly Use U Plunge Backless Strapless Bra

3. Stick on U Plunge Backless Strapless Bra where your normal bra would sit. Use swoop and scoop method (see below) to place breasts comfortably into contour cups and re-stick wings for best fit.

How To Properly Use U Plunge Backless Strapless Bra

4. Press and hold contour cups to skin for several moments to to adhere cups to skin.