Check the listing for details. TCS iFlex - Dental Polyolefin Thermoplastic - Light Pink - All Sizes. Condition: New. Listed at 31.50 USD. TCS iFlex 25 mm Light Pink - Pack of 5 Cartridges - Available In Large, Medium, & Small. iFlex is a highly translucent, polyolefin thermoplastic popular for its simplicity to finish and polish among dental technicians and its resistance to stains and easy maintenance among patients. iFlex offers an ideal degree of flexibility and allows for a durable, lightweight, and modern flexible partial. iFlex can be repaired with re-injection. Small repairs, air bubbles, clasps and 1 tooth additions can be made with the Hot Air Welder or the JP90 injector.The 25mm cartridges fit in all of TCS injectors and in most injectors on the market. They are the most popular type cartridge. Cartridges are sold in packs of 5. Each Package contains Delivery Bags, Patient Care Instructions, & Sample Appliance Cleaner.