Stay hydrated in style with the Atlantis Thermosteel Water Bottle – 400ml, a premium-grade insulated flask inspired by the legendary Milton quality you trust — now available for homes, schools, offices, and adventures across Kenya.
Whether you're sipping hot tea during a chilly morning in Nairobi, carrying cold water to school in Kisumu, working long hours in Mombasa, or hiking up Ngong Hills, this stainless steel bottle keeps your drinks at the perfect temperature — hot for up to 12 hours, cold for up to 24 hours.
💧 Why Kenyans Love This Water Bottle:
No more lukewarm chai or sweaty bottles. Built with double-wall vacuum insulation, leakproof design, and food-safe materials, this is the ultimate daily companion for health, convenience, and durability.
🔧 Key Features & Benefits:
✅ Vacuum Insulation Technology – Keeps Drinks Hot or Cold
Hot beverages: Stay warm for up to 12 hours (ideal for tea, coffee, soup)
Cold drinks: Stay chilled for up to 24 hours (perfect for water, juice, smoothies)
🧼 Premium 304 Stainless Steel – Odor & Rust Resistant
High-grade inner liner prevents metallic taste, resists corrosion, and is easy to clean — even after milk or citrus drinks.
🚫 BPA-Free & Food-Safe Materials
Safe for kids, adults, and everyday use. No harmful chemicals.
🔒 Leakproof Screw Lid with Comfortable Handle
Secure twist cap prevents spills in bags or car seats. Easy-grip handle makes it ideal for schoolkids, commuters, and drivers.
📏 Perfect 400ml Capacity – Ideal Portion Size
Great for children’s lunchboxes, office desks, gym bags, or travel — not too big, not too small.
🌡️ No Condensation – Sweat-Free Exterior
Unlike cheap bottles, this thermosteel flask won’t drip or create water rings on tables.
🎨 Sleek Design – Fits Any Lifestyle
Compact, lightweight, and stylish — looks great in classrooms, boardrooms, or picnic baskets.
🎯 Perfect For:
Students: Carry hot soup or cold juice to school
Office Workers: Keep tea warm during meetings
Moms: Pack safe drinks for babies and toddlers
Travelers & Commuters: Reliable hydration on matatus, buses, or road trips
Outdoor Lovers: Great for hikes, safaris, and picnics
Gifts: Practical present for birthdays, graduations, or housewarmings
📦 What’s Included:
1 x Atlantis Thermosteel Water Bottle (400ml)
1 x Leakproof screw lid
🧽 Care Tip: Hand wash recommended. Avoid using bleach or abrasive cleaners.
🚚 Fast Delivery Across Kenya
Available in Nairobi, Mombasa, Kisumu, Nakuru, Eldoret, Thika, Ruiru, Nyeri, Kitale & more. Order today and upgrade from plastic to premium!
Milton Atlantis Thermosteel Water Bottle 400ml Vacuum Insulated Flask – Leakproof, BPA-Free Stainless Steel Thermos for Hot/Cold Drinks — insulated travel mugs in Kenya at WIMU Kitchen. Keeps coffee hot for 4–6 hours — ideal for commuting from Ruiru, Athi River, Kitengela, or wherever your day takes you.
- Vacuum-insulated stainless steel
- Leak-resistant lids for bags and cars
- Capacities from 350ml to 1L
Frequently asked questions
How long does it keep coffee hot?
4–6 hours hot, 12–18 hours cold for top-tier vacuum flasks.
Is this leak-proof?
Most listings are screw-lid leak-resistant. Check the listing description for full leak-proof models.
Delivery in Kenya: Same-day across Nairobi for orders before 2 PM (CBD, Westlands, Kilimani, Lavington, Karen, Runda, Kileleshwa, South B, South C, Lang’ata, Ruaka). 2–4 business days nationwide to Mombasa, Kisumu, Eldoret, Nakuru, Naivasha, Thika, Machakos, Nyeri, Kerugoya, Nanyuki, and Kisii via Wells Fargo, G4S, NNUS, and Mololine couriers.
Pay your way: Lipa na M-Pesa, Airtel Money, Visa, Mastercard, or pay on collection at our Nairobi CBD showroom — Platinum Plaza. WhatsApp +254 706 942 420 for personal product advice.
Last updated: 1 May 2026
We deliver across Kenya and ship select products regionally. This page explains our handling times, delivery options, and rates.
1. Order Processing
Orders placed before 2:00 PM (EAT) on a business day are processed the same day. Orders placed after 2:00 PM, on weekends, or on public holidays are processed the next business day.
2. Delivery Times
| Destination | Estimated Delivery |
|---|---|
| Nairobi CBD & environs | Same day or next business day |
| Greater Nairobi & Kiambu | 1–2 business days |
| Mombasa, Kisumu, Nakuru, Eldoret | 2–4 business days |
| Other Kenyan towns | 3–7 business days |
| East Africa (regional) | 5–14 business days |
3. Shipping Fees
Shipping fees are paid by the customer and depend on your delivery location. The exact cost is calculated and shown to you at checkout based on the destination, weight, and parcel size.
- Upcountry (via courier or G4S/SGR): calculated at checkout based on weight and destination.
- Bulk & fragile items: we may quote you a custom rate before dispatch.
4. Tracking
You will receive a tracking link by email or SMS once your parcel is dispatched. For courier deliveries we share the rider's contact number on dispatch day.
5. Delivery Issues
If your package has not arrived within the estimated time frame, please contact us at info@wimukitchen.com or call +254 706 942 420. We will follow up with the courier on your behalf.
6. Damaged in Transit
Please inspect your order on delivery. If anything is damaged, take a photo and contact us within 48 hours. See our Refund Policy for the next steps.
7. Store Pickup
Choose "Pickup" at checkout to collect your order from our Platinum Plaza showroom in Nairobi CBD at no extra cost. We will email you when the order is ready.
Quick answers from the WIMU Kitchen team. Need more help? WhatsApp us or email orders@wimukitchen.com.
Is the Milton Atlantis Thermosteel Water Bottle sold on WIMU Kitchen authentic and brand new?
Yes — every Milton Atlantis Thermosteel Water Bottle sold by WIMU Kitchen is 100% genuine and brand new in its original packaging. We source directly from authorised distributors, so batch codes and serial numbers are intact. You can verify authenticity on the manufacturer's website using the codes printed on the box.
How long does delivery of the Milton Atlantis Thermosteel Water Bottle take in Kenya?
Nairobi orders for the Milton Atlantis Thermosteel Water Bottle are delivered same-day or next working day for a flat KSh 200. Mombasa, Kisumu, Nakuru, Eldoret and other major towns arrive in 2–3 working days. Remote counties take up to 4 working days via our courier partners — Wells Fargo, G4S, NNUS and Mololine. You'll receive an SMS with a tracking number the moment your parcel ships.
What colours is the Milton Atlantis Thermosteel Water Bottle available in?
You can choose between Indigo Stella, Black, Red. All colours are in stock and priced the same — pick the one that matches your interior at checkout.
Is the Milton Atlantis Thermosteel Water Bottle BPA-free and safe for my baby?
Yes — the Milton Atlantis Thermosteel Water Bottle is BPA-free, phthalate-free, and made from food-grade materials. It meets international safety standards (EN-71, FDA, LFGB), so it's safe from newborn age upward when used as directed. Sterilise via steam, microwave steriliser, or by boiling for 5 minutes before first use.
What payment methods can I use for the Milton Atlantis Thermosteel Water Bottle?
WIMU Kitchen accepts M-Pesa, Airtel Money, Visa, Mastercard, and bank transfers for the Milton Atlantis Thermosteel Water Bottle. Nairobi customers can also pay cash on delivery once the rider arrives at your door.