These are vintage satin straps from Fredericks of Hollywood. Straps can be added to various lingerie items, including gowns, teddies, bras and
Satin Strap Elastic Bra Strap Elastic - Bra-Makers Supply
Making Beautiful Bras - Lee-Ann Burgess
Porcelynne Black Satin Finish Non-Stretch Bra Straps
satin – Lucy's Corsetry
Parfait Adriana Wire-free Full Bust Lace Bralette - Black - Curvy Bras
Products – ACCESSOIRES LEDUC
Lingerie Outfits Stretch Satin Half Cup Lace Bra Panty 2-piece
Br Straps
Sew Love Red
Richmond Thong/ Panty PDF Pattern — Contour Atelier