Elastic 50A Resin V1 is the legacy formulation of Elastic 50A Resin and will be discontinued in the coming months. Choose Elastic 50A Resin V2 for easier support removal, decreased printing time, and improved transparency. If you need stiffer flexible material, try Flexible 80A Resin. If your application requires a softer material or the properties of 100% silicone, try Silicone 40A Resin.