Black + Blum Insulated Cooler Bag, Slate

This Slate cooler bag blends functional insulation with minimal aesthetics. Engineered to hold 30 cans plus ice, it features welded seams for complete leak-proof assurance, a robust non-flop base, and a roll-top dry‑bag style closure with buckle fastenings. The padded strap and integrated bottle opener add practical finishing touches.

• 25 L capacity (fits up to 30 cans + ice)

• Keeps ice frozen for up to 36 hours

• 100 % leak‑proof welded seams

• Rigid base for upright stability

• Recycled PET outer fabric (made from 26 bottles)

• Integrated bottle opener buckle

• Wide padded shoulder strap for comfort

Ideal For

• Camping, Picnics & Festivals — Great for storing beverages and perishables with long-lasting cooling.

• Group Outings & Events — Holds large quantities of iced drinks, ideal for groups.

• Sustainable Lifestyle — Made with upcycled plastic bottles and eco-friendly design ethos.

• Stylish Portability — Slate color pairs well with city or nature settings, and built-in opener adds convenience.

• Efficient Use — Lightweight yet spacious, with roll-top compact storage option when empty.

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.