Strong adhesive can stick firmly to any flat surface, make the pen loop will not easily off, no worry about losing your favorite pens or stylus perfect for handwriting notebooks, calendars, journals, planners, diaries, cases, case and others Elastic band is 0.5 to 0.9 inch (1.3 to 2.3 cm), perfect for holding pens, pencils, stylus, etc (pen with thick rubber grips might NOT fit) Made of premium PU leather, provides comfortable Contact; you could stick to your diary, case, refrigerator etc. (Pen loop holder only) Perfect for doctors, nurses, teachers, students, engineers, pilots, lawyers and etc.; Makes your work and more convenient, efficient and neat Colour: black Material: PU Size: 4 x 4cm Package Contents: 10 x Pen Loop Holders Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.