Hi Watchex! Up for sale or trade are some like new (tried on once) Artem Loop-less Hydroflex Straps! They are the most comfortable straps I've ever experienced Priced at $230 each (including deployant clasp). Or $440 for 2 or $650 for all 3. Open to trade them for 21mm Hydroflex Straps! 19mm - Event horizon (black with white stitching) https://artemstraps.com/products/loop-less-hydroflex%E2%84%A2-black-sailcloth-watch-strap-with-white-stitching 20mm - Nebula Dust (brown with white stitching) https://artemstraps.com/products/loop-less-hydroflex%E2%84%A2-brown-sailcloth-watch-strap-with-white-stitching 22mm - Dark Matter (black with black stitching) https://artemstraps.com/products/loop-less-hydroflex%E2%84%A2-black-sailcloth-watch-strap-with-black-stitching-1 Thanks for looking, let me know if you have any questions!