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Mainstays

Mainstays 3-Shelf Bookcase with Adjustable Shelves, True Black Oak

14.6K ratings
Mainstays 3-Shelf Bookcase with Adjustable Shelves, True Black OakMainstays 3 Shelf Bookcase with Adjustable Shelves True Black OakMainstays 3 Shelf Bookcase with Adjustable Shelves Canyon WalnutMainstays 3 Shelf Bookcase with Adjustable Shelves Rustic OakMainstays 3 Shelf Bookcase with Adjustable Shelves White
Actual ColorTrue Black Oak
Pack SizeSingle

Key item features

  • Sturdy Design: Sturdy bookcase with 2 adjustable shelves and 1 fixed shelf
  • Elegant Finish: Gorgeous True Black Oak wood grain finish
  • Weight Capacity: Top panel and adjustable shelves each support up to 35 lbs; bottom shelf supports up to 50 lbs
  • Versatile Storage: Perfect for books, important papers, photography, small artwork, collectibles and more
  • Materials: Made from particle board and MDF
  • Easy Assembly: Easy to assemble with included instructions and video assembly guide (hammer required)
  • Compact Dimensions: Assembled dimensions: 24.8" W x 11.65" D x 31.65" H
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Customer ratings & reviews

4.6 out of 5 stars
stars
14.6K ratings4,515 reviews
How item rating is calculated
  1. 5 stars78% (11.4K)
  2. 4 stars11% (1,684)
  3. 3 stars4% (617)
  4. 2 stars2% (269)
  5. 1 star5% (671)

Reviews summary

Pros

  • : Requires little effort and can be done solo or with assistance.
  • : Offers good quality at a lower cost.
  • : Fitting perfectly in small spaces and closets.
  • : Made with a construction that can hold a good amount of weight.
  • : Has a clean design.
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Showing 1-3 of 4,515 reviews

Dec 18, 2025
Reviewer name: Mabel
Item details
Color: Canyon Walnut
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Love it

I really love this shelf, it surprised me of how strong and sturdy it is because I got it on sale so I wasn't expecting such a strong quality of wood. The instructions were nice and clear able to understand. It probably took me about 40mins to assemble but I'm a girl and I did it by myself.

Helpful?5f62f990-688f-11f1-970f-13faca9cd0ac3939391202
Nov 17, 2025
Reviewer name: Happycustomer
Walmart Associate
Item details
Color: True Black Oak
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great for what I needed for kids books

You get what you pay for. For the price, it's a great bookshelf. I needed a bigger one than what we had for all my kids books and didn't want to spend a fortune so this is what I got. It works exactly as intended and was easy to put together. The instructions for assembly were easy to follow.

Helpful?5f62f990-688f-11f1-970f-13faca9cd0ac3939391202
Feb 24, 2026
Reviewer name: Kimberly
Item details
Color: Espresso
Multipack quantity: 1
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Simple assembly - great little bookshelf

I have used these little bookshelves for many things throughout my home. I put three of them together and mounted them atop a box I built to make a low library partition wall (I joined all the backs together by mounting luan-board across the whole span). One is used in our bathroom with multiple cube (fabric) containers to corral miscellaneous items. Two more flank our TV console.

Helpful?5f62f990-688f-11f1-970f-13faca9cd0ac3939391202
Current price is $28.96
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