M&G Stationery Elementary School Fountain Pen Set EF Nib Posture Correcting Summer Practice Refillable Ink Cartridges (1 Fountain Pen + 4 3.4mm Ink Cartridges) Essential for Back to School Gradient Bl

Fountain Pen with Built-in Piston Converter x1

Erasable Pure Blue Ink Cartridges x4

Gradient color scheme with soft matte finish providing a smooth, warm, and comfortable grip

Soft mist skin texture with a three-layer coating process (base coat, gloss layer, and topcoat) for enhanced color aesthetics and durability

Triangular ergonomic grip with concave design to promote correct writing posture

Lightweight and smooth pen body for comfortable writing experience

Visual ink window for easy monitoring of remaining ink

U-shaped silver metal clip for secure and convenient carrying

Precision sealing ring ensures tight cap and body connection to prevent ink leakage

1. Twist-type built-in piston converter for ink suction

2. Replaceable ink cartridges (insert firmly until a click is heard; ensure nib is facing upward during installation)

After inserting ink cartridge, place pen nib downward for 30-60 seconds before writing

Maintain writing angle between 45°-60° for optimal ink flow

Avoid exposure to high temperature or pressure changes to prevent ink leakage

Clean pen regularly, especially the feed, every 2-4 weeks to maintain performance

Avoid damage to nib and feed during cleaning and use

Keep pen nib facing upward when carrying to prevent ink spills

Product parameters and measurements are for reference only; actual product may vary.