It is a strap "yellow" that allows you to enjoy the color combination. You can attach it to your bag, sack, pouch, etc., and use it immediately when you need it. The felt of the holder and strap is made of light and soft material. The pleasant color of the felt can also be used as an accent, and you can enjoy using it. The new packaging (5th photo) is also recommended as a gift. * Please note that the maximum diameter (thickness) of the pen that can be used is about 13 mm, and the pen made of a rubber-like non-slip material will be difficult to insert and remove due to friction with the felt. ○ Size: 37 mm × 45 mm × 15 mm / String length about 160 mm ○ Design registration 1533835 (holder part)