Applicable to most pen types. The archives quality page made of acid-free paper can resist the damage of light and air, and the cream paper does not hurt the eyes. The pen ring can fix the pen, so you won't lose the pen or look around for something to write. The hole sheet can be easily removed at any time The elastic closure strap of the notebook makes it firmly closed. It is convenient to take notes, and the spine will not break easily. Strong stitching and adhesive binding of frustration free writing experience, durable notebook. Gifts - can be used as bullet diary, school diary, travel notebook, diary, business/administrative/office notebook, exercise diary, recipe diary, etc. Comes with exquisite packaging, perfect birthday gifts, Father's Day gifts, Christmas gifts for friends and family. The expandable inner bag is used to store scattered notes, business cards, receipts or other small items. 1. Applicable to most pen types. The archives quality page made of acid-free paper can resist the damage of light and air, and the cream paper does not hurt the eyes. 2. The pen ring can fix the pen, so you won't lose the pen or look around for something to write. The hole sheet can be easily removed at any time The elastic closure strap of the notebook makes it firmly closed. The expandable inner bag is used to store scattered notes, business cards, receipts or other small items. 3. It is convenient to take notes, and the spine will not break easily. Strong stitching and adhesive binding of frustration free writing experience, durable notebook. 4. Gifts - can be used as bullet diary, school diary, travel notebook, diary, business/administrative/office notebook, exercise diary, recipe diary, etc. Comes with exquisite packaging, perfect birthday gifts, Father's Day gifts, Christmas gifts for friends and family.