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MNLR 12x18 FT Outdoor Metal Storage Shed Extra-Large for Backyards

Based on 10 reviews
Condition: New
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$669.99
Holiday Deal · 15% off was $789.99

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This item's return window has been extended for the holiday season: Returnable until Jan 31, 2027

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Availability: Only 10 left in stock, order soon!
Fulfilled by YOUTECH INTERNATIONAL LIMITED

Arrives Saturday, Nov 21
Order within 20 hours and 20 minutes

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At a glance

Condition
New
Size
12 X 18FT
Model
MN-APS-Z18
Weight
380 lb
Color
Black
Material
Metal
Floor Area
216 sq ft

Features 6

  • Upgraded Reinforced Structure for Greater StabilityUnlike sheds with basic roof supports, this metal storage shed features triangular roof bracing and reinforced wall supports for added rigidity. These reinforcements help reduce frame movement and provide more consistent support across the roof and walls, creating a sturdier space for storing lawn equipment, garden tools, and outdoor supplies
  • Extra-Large 12 x 18 FT Storage Space Measuring 142.3"W x 212.6"D x 81.1"H, this oversized outdoor shed creates a dedicated storage area for larger backyards. The spacious interior can accommodate lawn mowers, bicycles, garden equipment, BBQ grills, patio furniture, trash bins, pool supplies, firewood and seasonal belongings, with additional room for optional shelving and customized organization
  • Galvanized Steel for Everyday Outdoor Use Made with galvanized steel wall panels and a rust-resistant surface, this large storage shed is built for regular outdoor use through changing seasons. The durable steel construction helps shield stored belongings from sun, rain and everyday backyard exposure while keeping routine maintenance simple
  • Wide Double Doors with Roof & Ventilation Features The generous double-door opening makes it easier to move lawn mowers, bicycles and larger equipment between the shed and yard. A padlock-ready door design provides an option for added security, while integrated vents encourage airflow and the sloped roof helps channel rainwater away from the roof surface

Description

What makes the inside structure different from other metal sheds? This 12x18 shed features an upgraded reinforced interior frame with additional support bars and triangular bracing, helping improve overall rigidity and stability after assembly. Is the 12x18 size large enough for bulky outdoor equipment? Yes. The spacious interior can hold lawn mowers, bicycles, garden tools, patio furniture, trash bins, pool supplies, and other large outdoor items. MNLR is an officially registered brand in the United States. We offer practical home and outdoor solutions, including storage sheds, carports and indoor sauna rooms. From organizing tools and protecting vehicles to creating a relaxing home wellness space, MNLR products are designed to support everyday living. With durable materials and thoughtful structures, MNLR brings reliable function and comfort to homes, gardens, and backyards.

Specs 21

Brand MNLR
Color Black
Material Metal
Product Dimensions 212.6"D x 142.3"W x 81"H
Item Weight 380 pounds
Item Dimensions D x W x H 212.6"D x 142.3"W x 81"H
Floor Area 216 sq ft
Door Width 56.7 inches

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Nov 21

Yes, absolutely! This item's return window has been extended for the holiday season: Returnable until Jan 31, 2027.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


Perfect Little 5x3 Shed for Tools
This 5x3 shed fit perfectly in my backyard. Took a little time to build but instructions were easy enough. Keeps all my tools and bike protected from rain and sun. The metal feels sturdy and the lockable door gives extra peace of mind. Great storage without taking up too much space.
Reviewed in the United States on May 11, 2026 by Andre

Perfect storage solution for a small yard
I got this shed for my backyard and it fits perfectly without taking up too much space. It’s exactly what I needed to keep tools and outdoor items organized while still keeping the area looking clean. The size is great for a smaller yard but still offers enough room to store quite a bit. Setup was easier than expected and took me under a couple of hours to put together. The instructions were straightforward and everything came together nicely. Once assembled, it feels sturdy and does a great job of adding extra storage space. Overall, I absolutely love it and it’s been a great addition to my yard. ... show more
Reviewed in the United States on April 13, 2026 by Jenn Lev

I would recommend it!
For the price, you can't beat this shed. The galvanized steel feels durable and it hasn't shown any signs of rust after several rainstorms. Assembly does take a bit of time because of the many small screws, so I'd recommend having a second person to help. Once it's all together and anchored on a flat surface, it feels quite sturdy and the lockable door gives me extra peace of mind. ... show more
Reviewed in the United States on June 11, 2026 by Rachel Paulsen

Very sturdy
This 5x3 ft black metal shed is a fantastic addition to my backyard. It’s sturdy, weatherproof, and keeps all my tools, bike, and lawn gear perfectly dry. The lockable door adds security, and assembly was straightforward. For the size, it holds a lot without taking up too much space. Looks sleek and handles rain and wind with no issues. Highly recommended for anyone needing compact, reliable outdoor storage! ... show more
Reviewed in the United States on June 7, 2026 by Emma Wang

Better Than Leaving Stuff Outside
I mainly got this because our bikes and garden tools kept sitting under the porch. Now they finally have a place to go, and the yard looks a lot cleaner.
Reviewed in the United States on September 20, 2026 by cathy
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