Nillkin Super Frosted Shield Case for Samsung Galaxy M31 / F41 / M21S – Matte Blue Hard Back Cover
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Description
Key Highlights
🧱 Imported Eco-Friendly PC Material — High-grade polycarbonate formed with high-temperature precision injection molding — solid, structured, and gap-free fit on Galaxy M31 / F41 / M21S
🎨 Dustless Matte UV Coating (Both Sides) — Advanced matte UV finish on front and back — completely fingerprint-free, smudge-free, and looking premium all day
✋ Salient Dot Anti-Slip Texture — Micro raised-dot pattern across the full back panel for a natural, secure, non-slip grip in every hold
💧 Water-Resistant & Dustproof Surface — Frosted finish actively repels moisture and fine dust — stays cleaner longer with minimal effort
🔒 Raised Camera Bezel — Elevated rim around the quad-camera module keeps all lenses protected from flat-surface contact every time you set your phone down
🎯 Open-Mold Precision Fit — Custom mold built from the original Samsung Galaxy M31 / F41 / M21S — every port, button, speaker, and camera cutout lines up perfectly
🪶 Slim & Lightweight Profile — Adds virtually no bulk — your Galaxy M31 stays slim, light, and completely pocketable
✅ 100% Genuine Nillkin — Original retail packaging with anti-fake QR code and barcode for guaranteed authenticity
The Samsung Galaxy M31, F41, and M21S are popular everyday performers — and the Nillkin Super Frosted Shield in Blue gives them protection that's equally dependable, with a color that makes the phone stand out in any crowd.
Built from imported eco-friendly polycarbonate (PC) using high-temperature precision injection molding, this case wraps your Samsung Galaxy M31, F41, and M21S in a perfect, seamless fit. The mold is created directly from the original device dimensions — which means every cutout aligns precisely. Ports, buttons, speakers, and the quad-camera module are all fully accessible without needing to remove the case.
What makes the Frosted Shield series shine is its dustless matte UV coating, applied to both sides of the case. This finish eliminates fingerprint smudges instantly, resists oil and sweat throughout the day, and maintains a clean, premium appearance for months. Where glossy cases show every touch within hours, this matte surface simply doesn't — and in a vibrant Blue finish, the result is genuinely striking.
The salient dot micro-texture covering the back panel provides a natural non-slip grip. The raised micro-dots create just enough friction to keep your phone secure in hand and in pocket — without ever feeling rough or uncomfortable to hold. Combined with a water-resistant and dustproof outer surface, the case handles everyday conditions without complaint.
The raised camera bezel around the Galaxy M31's quad-camera block ensures the lenses stay off flat surfaces every time you place your phone down — protecting your most-used feature without any extra thought.
100% genuine Nillkin product in original retail packaging with anti-fake QR code and barcode for easy verification.
Specifications
Feature | Details |
|---|---|
Brand | Nillkin |
Series | Super Frosted Shield |
Compatible Models | Samsung Galaxy M31, Galaxy F41, Galaxy M21S |
Color | Blue |
Material | Imported Eco-Friendly PC (Polycarbonate) |
Finish | Dustless Matte UV Coating (Both Sides) |
Texture | Salient Dot (Micro Raised-Dot) Anti-Slip Design |
Surface Properties | Water-Resistant, Dustproof, Anti-Fingerprint |
Construction | High-Precision Injection Molding (Original Device Mold) |
Camera Protection | Raised Bezel Around Quad-Camera Module |
Case Type | Hard Back Cover (PC) |
Cutouts | Precision fit for all ports, buttons & cameras |
Authenticity | Anti-Fake QR Code & Barcode – Retail Pack |
Warranty | No Warranty (Mobile Accessory) |
What's in the Box
1x Nillkin Super Frosted Shield Case for Samsung Galaxy M31 / F41 / M21S (Blue)
Compatible Models
Samsung Galaxy M31
Samsung Galaxy F41
Samsung Galaxy M21S
Best For
Samsung Galaxy M31, F41, and M21S users who want a slim matte case with a bold color option
Daily users who dislike fingerprint smudges and want a consistently clean-looking case
Students and everyday users who want genuine brand protection at a great price
Anyone looking for a Blue case that actually looks premium — not faded or plasticky
Buyers who want a verified genuine Nillkin product in original retail packaging
The Samsung Galaxy M31, F41, and M21S are popular everyday performers — and the Nillkin Super Frosted Shield in Blue gives them protection that's equally dependable, with a color that makes the phone stand out in any crowd.
Built from imported eco-friendly polycarbonate (PC) using high-temperature precision injection molding, this case wraps your Samsung Galaxy M31, F41, and M21S in a perfect, seamless fit. The mold is created directly from the original device dimensions — which means every cutout aligns precisely. Ports, buttons, speakers, and the quad-camera module are all fully accessible without needing to remove the case.
What makes the Frosted Shield series shine is its dustless matte UV coating, applied to both sides of the case. This finish eliminates fingerprint smudges instantly, resists oil and sweat throughout the day, and maintains a clean, premium appearance for months. Where glossy cases show every touch within hours, this matte surface simply doesn't — and in a vibrant Blue finish, the result is genuinely striking.
The salient dot micro-texture covering the back panel provides a natural non-slip grip. The raised micro-dots create just enough friction to keep your phone secure in hand and in pocket — without ever feeling rough or uncomfortable to hold. Combined with a water-resistant and dustproof outer surface, the case handles everyday conditions without complaint.
The raised camera bezel around the Galaxy M31's quad-camera block ensures the lenses stay off flat surfaces every time you place your phone down — protecting your most-used feature without any extra thought.
100% genuine Nillkin product in original retail packaging with anti-fake QR code and barcode for easy verification.
Specifications
Feature | Details |
|---|---|
Brand | Nillkin |
Series | Super Frosted Shield |
Compatible Models | Samsung Galaxy M31, Galaxy F41, Galaxy M21S |
Color | Blue |
Material | Imported Eco-Friendly PC (Polycarbonate) |
Finish | Dustless Matte UV Coating (Both Sides) |
Texture | Salient Dot (Micro Raised-Dot) Anti-Slip Design |
Surface Properties | Water-Resistant, Dustproof, Anti-Fingerprint |
Construction | High-Precision Injection Molding (Original Device Mold) |
Camera Protection | Raised Bezel Around Quad-Camera Module |
Case Type | Hard Back Cover (PC) |
Cutouts | Precision fit for all ports, buttons & cameras |
Authenticity | Anti-Fake QR Code & Barcode – Retail Pack |
Warranty | No Warranty (Mobile Accessory) |
What's in the Box
1x Nillkin Super Frosted Shield Case for Samsung Galaxy M31 / F41 / M21S (Blue)
Compatible Models
Samsung Galaxy M31
Samsung Galaxy F41
Samsung Galaxy M21S
Best For
Samsung Galaxy M31, F41, and M21S users who want a slim matte case with a bold color option
Daily users who dislike fingerprint smudges and want a consistently clean-looking case
Students and everyday users who want genuine brand protection at a great price
Anyone looking for a Blue case that actually looks premium — not faded or plasticky
Buyers who want a verified genuine Nillkin product in original retail packaging
