**Specifications:**
**Brand:** deli
**Product Name:** Eye Protection Patent Notebook
**Packaging:** 4 books per set
**Features:**
- Eye protection patent grid notebook
- Eye protection patent English notebook
- Eye protection patent rubber-coated notebook
- Eye protection patent spiral notebook
- Patented dot design for eye protection
- Effective eye protection
**Patent Number:** ZL202121876348.9
**Key Selling Points:**
- Eye protection structure developed by the laboratory
- Paper whiteness ≤85%, with a light yellow coating to reduce blue light emission
- Dot grid design to promote eye movement
- Thickened paper for durability
- Double-sided paper for versatile writing
- Firm binding and cowhide cover
**Design:** Eye protection core design for future eye care
**Usage:** Suitable for long hours of studying and writing
**Application:** Ideal for children's learning and study needs
**Material:** High-quality wood pulp paper
**Size:** 184mm x 257mm
**Cover:** 250g cowhide paper cover
**Pages:** 16k/36 sheets per book
**Variants:** Composition book, lined notebook, math notebook, English notebook, reading notebook, Chinese language notebook
**Note:** Product color may vary due to lighting and angles; measurements are approximate
**Purchase Tips:**
1. Each notebook has a different format based on the subject
2. Suitable for writing with regular pens like ballpoint, pencil, and gel pens
3. Minimal odor, safe for use
**Product Parameters:**
**SKU:** PF1636
**Category:** Composition book
**Specifications:** 250g cowhide paper cover, 16k/36 sheets
**Quantity:** 4 books per set (sold individually per category)
**Categories:** Composition book, lined notebook, math notebook, English notebook, reading notebook, Chinese language notebook
Please note that the information provided is based on the product description and features.
