Dianshi pen press gel pen quick-drying large capacity refill 0.5mm double ball bullet student homework office signature pen refill DS-1156 [black] 12 pieces/box

**Product Specifications:**

**Brand:** M&G

**Product Type:** Stationery, Grid Notebook

**Features:** Helps to organize thoughts clearly, A4/5-pack, A4 Grid Notebook, Complete labeling, Lightweight and efficient

**8 Major Sections:** Allows for orderly organization, Calculation, Checking, Equation solving, LDBE analysis, Triangle Râ–³BDE, Two sizes available (B5, A4), B5 Grid Notebook, Complete labeling, High quality

**Writing Experience:** Flip up design for hands-friendly writing, Double-sided writing, Ink-resistant, Firm binding to prevent pages from falling out

**Paper Quality:** Light yellow paper to protect eyes, Absorbs some light to reduce eye strain, Thickness of bottom board approximately 1mm

**Versatile Usage:** Suitable for multiple writing purposes

**Mathematical Notations:** Includes various mathematical terms and equations

**Model:** GA4501

**Cover:** 120g white cowhide

**Specifications:** A4 size, 50 sheets per notebook, Dimensions: 210*297mm

**Packaging:** 5 notebooks per pack

(Note: Hand measurements for product dimensions are approximate and for reference only.)