Black+Blum Explorer Insulated Flask Duo, 1L

Explorer Flask Duo – Insulated Flask 1 L with Two Steel Cups

The Explorer Flask Duo by Black+Blum merges durability with temperature control. Designed to keep your drinks piping hot or ice‑cold for up to 24 hours, this flask is fully leak‑proof and ideal for professional outdoor use, commuting, or travel.

• 100% leak‑proof design

• 1 litre capacity stainless steel flask

• Includes two 200 ml double‑walled steel cups

• Integrated nylon strap for carrying or pouring

• Tight‑seal stainless steel lid with silicone gasket

• Reinforced ribbed structure prevents deformation

• Cups wide‑based for stability on uneven surfaces

• Flask and cups dishwasher‑safe (remove strap first); lid hand‑wash only

Ideal For

• Adventure & Travel: Ideal for hiking, camping, road trips, or chilly outdoor days.

• Sharing Moments: Comes with two insulated cups for sharing drinks on the move.

• Hot & Cold Retention: Keeps beverages hot or cold for up to 24 hours.

• Durable & Leak‑Proof Use: Built resiliently for rugged conditions.

• Easy Cleaning: Dishwasher-compatible flask and cups; convenient maintenance.

Founded over 20 years ago by Dan Black and Martin Blum, Black+Blum is a UK-based eco-design company known for its high-quality and durable food containers, drinkware, and accessories. The brand's innovative and sustainable design principles guide the creation of thoughtfully developed products that are built to last. Winning over 25 design awards globally, Black+Blum's range of products is sold in over 60 countries with warehouse centers in the UK, EU, and USA.

The brand's mission is to create products that people love to use and are proud to own. Black+Blum's philosophy of "buy once, buy well" is evident in its carefully designed and sustainably sourced products that stand the test of time. From concept to final product, the brand conducts rigorous research and development to ensure that every product meets a real need and lasts a lifetime.

Co-founder and lead designer Dan Black's background in industrial design and passion for creativity have been instrumental in shaping the brand's journey. The company has evolved from creating simple yet playful homeware designs to developing complex and innovative kitchen and lifestyle products. Notable designs include the iconic 'Box Appetit' lunch box, inspired by Japanese bento boxes, and the 'Eau Good' filter water bottle, which uses active charcoal for natural filtration.

Today, Black+Blum's products continue to inspire healthier, more sustainable living while making mealtimes brighter. Used by renowned food experts, nutritionists, and clean living advocates globally, the brand's products cater to a growing demand for quality, functionality, and style. Black+Blum's commitment to sustainability and innovation sets it apart in the crowded on-the-go market, offering customers the best quality products for a lifetime of use.

Delivery Options:

Standard - £3.99 or FREE for orders over £75 (3-5 working days)
Express - £5.99 (Up to 2 working days)

For more information, please see our Delivery Information.

Returns:

Every order placed with Mahahome is covered by our hassle-free 365-day money back guarantee

All we ask is that the item is returned to us unused and in its original condition and packaging.

For more information on how to return an item, how to request a replacement or refund, and what to do if your item develops a fault, please see our Returns Policy.