eXtremeRate Clear Red Custom Faceplate Back Plate Shell for Steam Deck, Handheld Console Replacement Housing Case, DIY Full Set Shell with Buttons for Steam Deck Console - Console NOT Included – eXtremeRate Retail
Red mother-of-pearl buttons
Amazon.com: Sewing Button 60pcs 11mm / 15mm High Colorful Shell Buttons Natural Mother of Pearl Real Shell Sewing Buttons - (Color: 01 Red; Size: 11.5mm)
Bright Red Shell Buttons - Sew Vintagely
4 Lovely Red Shell Shaped Buttons - Ruby Lane
Amazon.com: Impex Dyed Agoya Shell Buttons Red - per button : Arts, Crafts & Sewing