Braza Sew In Cups are firm enough to give support and shape and the edges are soft enough to easily sew through most clothing including swimwear
Bra Cups
Braza Bras
Dritz Molded Foam Bra Cups, B/C Cup, 1 Pair, White
Angled Foam Bra Cups Swimwear Cups - Bra-Makers Supply
Braza BEIGE Triangle Size Swim Shapers Enhancement Foam Pads, US A/B
Bra Cup Foam - 1/8 Beige - 2023020720232
Secret Stash will hide money, credt cards and valuables in bra
Sunsets Underwire Twist Bandeau Top w/Foam Bra Swim Top in Charmer FINAL SALE (70% Off) - Busted Bra Shop
ButtonMode Un-Padded Bra Cups Insert or Sew In, Instant Shape + Support, Chest Crease Reducer for Bridal, Bridesmaid, Dresses, Beige, Unpadded Size A, 1 Pair at Women's Clothing store