Usage Tips:Pocket Protector - You can put the pocket protector in your pocket and take the outer plastic piece out and the pocket protector will be held in place nicely. It can protect your clothes well, and easy to clean, can be reused!PVC Material - These pocket protectors are made of PVC plastic. PVC material is not only hard wearing and not easy to break, but also has the characteristic of light weight, which will not be a burden to you!10 Color Available - There are 20 pcs pocket protectors in 10 colors, white, light coral, yellow, firebrick, lilac, and so on. Rich colors give you more options to match with your outfit.Multi-purpose - Suitable for most shirt pockets, helps prevent pocket bursting and ink leakage, and provides good supplies for school, hospital and office use.Size Information - These pocket protectors are about 3.35"/8.5cm wide, 6.18"/15.7cm long, 1mm thick.