Every coloured bottle raises the same quiet question: is that coating going to end up in the drink? On a double-walled one the answer is structural rather than a promise.
What Are the Key Features of This 500 ml Bottle's Powder-Coated Outer Wall?
The colour never touches the drink - the powder coat is on the outer wall and the water stands against steel inside, so choosing Dark Blue over White is about where it looks right and nothing else.
18/8 and 304 name the same steel - that grade is why a metal bottle survives years of refilling without going orange at a seam or turning the water metallic.
It comes with three rules, not just claims - hand wash only, never the microwave, never the freezer. All three protect the coat and the sealed cavity rather than the steel underneath.
0.31 kg empty - it is sized to fit most cup holders; measure yours if it is a tight one.
A leakproof twist lid - sealed all the way round rather than a snap-fit, on a bottle meant to travel.
Where Can You Use This 500 ml Vacuum Insulated Steel Bottle?
In a car cup holder on the road - it is sized to fit most of them
In a site office with no fridge for a whole shift
Through a lecture block
On a desk, filled before you leave the house
In a bag on a long day out
Why Choose a Double-Wall Bottle Where the Coating Never Touches Your Drink?
The coating never touches the drink - on a single-skin bottle the finish and the drinking surface are the same piece of material.
So colour is only about where it looks right - the drink stands against an inner wall of 18/8 steel and meets the powder coat nowhere.
The insulation is the wall, not a lining - draw the air out of the gap between two steel walls and there is barely anything left for heat to travel through.
Details
Material & Build
Double wall, vacuum insulated - the emptied gap between the walls is the insulation.
Powder coated, non-slip, on the outer wall only.
Leakproof twist lid.
Dimensions
Capacity: 500 ml.
Empty weight: 0.31 kg - a vacuum wall weighs more than a single one, and that weight is the price of the performance rather than a defect.
Sized to fit most cup holders.
Colours
Dark Blue, Gray, White, Purple, plus two paired finishes, Black with White and White with Brown. Six in stock, and because the coat never meets the drink you can choose freely between them.
Care
Hand wash only.
Not microwave safe. Do not freeze.
Store empty and uncovered between uses.
Specifications
Capacity
500 ml
Material
18/8 stainless steel, 304 grade
Construction
Double wall, vacuum insulated
Weight, empty
0.31 kg
Colour, recorded
Dark Blue
Finishes stocked
Dark Blue, Gray, White, Purple, Black with White, White with Brown
Finish
Powder coated, non-slip
Sealing
Leakproof twist lid
Care
Hand wash only. Not microwave safe. Do not freeze. Store empty and uncovered.
Fit
Sized to fit most cup holders
Orders arrive 2–5 business days after our confirmation call. You’ll get tracking by SMS/WhatsApp. Shipping fees show at checkout; COD available in most areas.
Return window: 14 days from delivery. Item condition: New, unused, in original packaging (all parts/tags). Return method: By courier. We’ll send you a return label to download & print. Return shipping fee (change-of-mind):EGP 70 nationwide (deducted from the refund). Defective / damaged / wrong item:Free return (no shipping fee). Please report within 48 hours with photos/video. Restocking fee: None. Refund timing: Within 5 business days after the item passes inspection. Contact:info@primostore.net / WhatsApp: +20 1102974311