Deli quick-drying gel pen 0.5mm double ball ST pen head student gel pen brush pen double core red 12 pieces/box S08-E

**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.