Mainstays Cube Storage H Inserts, Set of 2, Black
Mainstays Cube Storage H Inserts, Set of 2, Black
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Mainstays

Mainstays Cube Storage H Inserts, Set of 2, Black

|141 ratings
Mainstays Cube Storage H Inserts, Set of 2, BlackMainstays 11 Cube Storage H Inserts Set of 2 BlackMainstays 11 Cube Storage H Inserts Set of 2 White
Actual ColorBlack-Out of stock

Key item features

  • Versatile Inserts: Set of two inserts that divide Mainstays Cube Organizer shelves in half for additional storage options
  • Compatible Design: Designed to be used only with Mainstays 11" Cube Storage Organizers (sold separately)
  • Compact Dimensions: Dimensions of each insert are 11.02" W x 11.65" D x 11.02" H, creating two separate 10.25" W x 11.65" D x 5.25" H compartments
  • Flexible Orientation: Can be used to divide a cube compartment vertically or horizontally
  • Durable Material: Made from manufactured wood for sturdy construction
  • Easy Assembly: Quick assembly in just a few minutes with a Phillips head screwdriver
  • Weight Capacity: Each shelf can easily hold up to 4.4 lbs
  • Color Options: Available finishes include White, Black, and Warm Walnut
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3.9 out of 5 stars
stars
141 ratings29 reviews
How item rating is calculated
  1. 5 stars57% (81)
  2. 4 stars12% (17)
  3. 3 stars9% (13)
  4. 2 stars3% (4)
  5. 1 star18% (26)
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Showing 1-3 of 29 reviews

Feb 7, 2026
Reviewer name: WEBBiE
Top Reviewer
Walmart Associate
Item details
Color: Black
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Works and looks great!

Works as described! Bought these to split up the top 2 cubby's for me and the kids controllers and it worked great. Definitely recommend and for the price can't beat it!

Helpful?2NCVQYFCI8N513951064781
Jan 27, 2026
Reviewer name: Johanna
Item details
Color: White
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Simple, sturdy, and very versatile

I used these Mainstays cube storage H inserts to create more storage and they worked out great. They feel sturdy, are easy to position, and the white finish looks clean and modern. I don't have cube shelves, so I flipped the top inserts to create additional storage space and used them to organize handbags. It worked perfectly and made everything easier to see and access. Great option if you want a simple, affordable way to add structure and maximize storage. — @johannavargasrealtor

Helpful?2NCVQYFCI8N513951064781
Nov 29, 2025
Reviewer name: DesertMom
Top Reviewer
Item details
Color: Black
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Shoe organizer

perfect for my closet and organizing my shoes.

Helpful?2NCVQYFCI8N513951064781
Current price is $14.88
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