I thrifted a pair of mother jeans, and this is the only tag that's inside the jeans. No fabric material tag with size on it. On the back side of this rough
How to Measure Jeans, Trousers & Tops - Rivet & Hide
Amazon.com: Iron on Patches for Clothing Repair 20PCS, Denim Patches for Jeans Kit 3" by 4-1/4", 4 Shades of Blue Iron On Jean Patches for Inside Jeans & Clothing Repair