Your search for "flex dipped" revealed the following:
Bambulab Compatible PEI Textured Spring Steel Sheet 184x184mm for A1 Mini 3D Printer Bambulab Compatible PEI Textured Spring Steel Sheet 184x184mm for A1 Mini 3D Printer Sale
Bambulab Compatible PEI Textured Spring Steel Sheet 184x184mm for A1 Mini 3D Printer
$6.99 $29.99
SLICEWORX Flex Dipped Plate Textured Spring Steel Sheet 430mmx430mm Anycubic Kobra 3 Max and Elegoo Neptune 4 Max Out of Stock
SLICEWORX Flex Dipped Plate Textured Spring Steel Sheet 430mmx430mm Anycubic Kobra 3 Max and Elegoo Neptune 4 Max
$74.99 $89.99
  Out of stock
SLICEWORX Flex Dipped Plate Textured Spring Steel Sheet 365x365 mm for PRUSA XL 3D Printer Out of Stock
SLICEWORX Flex Dipped Plate Textured Spring Steel Sheet 365x365 mm for PRUSA XL 3D Printer
$49.99 $69.42
  Out of stock
SLICEWORX Flex Dipped Plate Textured Spring Steel Sheet 509mm x 514mm for SOVOL SV08 MAX SLICEWORX Flex Dipped Plate Textured Spring Steel Sheet 509mm x 514mm for SOVOL SV08 MAX Out of Stock
SLICEWORX Flex Dipped Plate Textured Spring Steel Sheet 509mm x 514mm for SOVOL SV08 MAX
$89.99 $129.99
  Out of stock
SLICEWORX Flex Dipped Plate Textured Spring Steel Sheet 309mm Round for FLSUN V400 3D Printer Out of Stock
SLICEWORX Flex Dipped Plate Textured Spring Steel Sheet 309mm Round for FLSUN V400 3D Printer
$1.99 $69.99
  Out of stock