Welcome to our shop 🏡 320× 240mm; Advanced sense of science suitable for A4/A3 or letter size Keep your file organized, storing paper,book,files and other sundries💕 Easy to operate and comvenient, two metal sturdy clips inside to fasten papers, receipt, bill, files, etc, avoiding of mess or missing⭐️ High-quality PP (plastics), built in durable clamp to hold up to 100 letter or A4 size pages Clamp is an easy way to secure pages without the use of a three hole punch💕 Suitable for document classification management, Suitable for office, business department, state organs, schools, and other units of staff ---------------------------------------------------💐 Best Wishes 💕-----------------------------------------------