[MATERIAL]: Made of PVC

[SIZE]: Litter size??261mm*279mm); 100PCS in total

[SMOOTH AND EXQUISITE]: The shell looks crystal clear with professional finish and clear smooth texture

[STRONG AND DURABLE]: The durable plastic material can protect the bound documents from tearing or defacing, and the surface can realize the function of waterproof and moisture-proof

[APPLICATION]: Widely used in offices, schools, printing plants and other places