30 holes page protector/sheet protector,popular top loading sheet protector,page protector, .A variety of sizes in clear finish  are put to the test with frequently used .suit all 2, 3 and 4 ring binders , lever arch files. Made from environmentally friendly Polypropylene material, durable for long life

2.30hoels，clear finishes ,50pcs/pp bag，100pcs/pp bag

3.size：A4，A3，A5,letter size.

4.thickness：0.06mm（doulble layer：0.12mm），other thickness：: 0.02mm, 0.03mm, 0.04mm, 0.05mm,  0.07mm, 0.08mm