Fangrui Product Details Measurements: The Self-adhesive Index Card Pocket Size Is Approx. 9 X 12cm /3.6 X 4.8 Inches, Proper Size, Easy And Versatile Usage Quality: Our Self-adhesive Index Card Pocket Is Made Of Quality Plastic Materials, Not Easy To Tear, And Strong Bearing Capacity Stay Organized: Keep Order In Your Office, School And Home By Inserting Your Index Cards Into Plastic Sleeves And Attaching Them Wherever You Need Them; Not Only Help Prevent Their Loss But Also Protects Them From Fingerprints, Dirt, Water Or Dust Easy To Use: Simply Put The Index Cards In The Self-adhesive Pockets And They Will Stick Anywhere, For Example On Notebooks, Journals, Walls And On Other Places Where Reminders Can Be Useful Colour: Parent Material: Plastic Package Contents: 30 X Self-adhesive Business Card Pockets Only The Above Package Content, Other Products Are Not Included. Note: Light Shooting And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Err