is this photocard book pvc? how do you tell what is pvc or not

1A4 Single Side PVC Ring Binder - China Ring Binder and Ring File

What to do with pvc collect book : r/kpopcollections

Is there any way to tell if my binder has pvc? I got this really

1A4 Single Side PVC Ring Binder - China Ring Binder and Ring File

is it normal for my photocards to look like this? these pictures

Checkerboard Photo Album 40pockets Pvc Material Black White - Temu

Here's How You Might Be Unintentionally Damaging Your Photocards

images.ctfassets.net/cma41nsiygxr/SIZJQ2gBgrIE0ssP

31X45cm Self Adhesive Photobook Album PVC Inner Sheet / PVC Photo

images.ctfassets.net/cma41nsiygxr/5bIM7KmGorQmjvyj

Charlotte Pipe 2 in. x 10 ft. White Schedule 40 PVC Pipe Solid

Clear Glitter PVC 3'' Photos Pictures Album Books for Instax