Amazon.com : 36g Ultralight 700C Bike Inner Tube TPU Road Bicycle Tire 28'' 700C Bike Tube Compatible with 700x18C/23C/25C/28C/30C/32C Valve Length French 65mm (Include 4 PCS Bike Inner Tire Patch Repair Kit) :
Reliable TPU Inner Tube Repair Kit High Quality Patches for Ridenow Tubes | eBay
TPU inner bicycle tires test and review
Amazon.com: Pirelli SmarTUBE Patch Kit for Bike Inner Tubes, Complete Repair Kit for Signature Yellow Pirellli TPU Bike Inner Tubes, Suitable for All Bike Inner Tubes, (1) Box : Automotive
Is it practical to patch TPU tubes? A real example of RideNow Ultralight and Schwalbe Aerothan - YouTube