Mainstays 5-Shelf Bookcase with Adjustable Shelves, True Black Oak
6K+ bought in past monthOverall pick
Mainstays

Mainstays 5-Shelf Bookcase with Adjustable Shelves, True Black Oak

|27.1K ratings
Mainstays 5-Shelf Bookcase with Adjustable Shelves, True Black OakMainstays 5 Shelf Bookcase with Adjustable Shelves True Black OakMainstays 5 Shelf Bookcase with Adjustable Shelves Canyon WalnutMainstays 5 Shelf Bookcase with Adjustable Shelves Rustic OakMainstays 5 Shelf Bookcase with Adjustable Shelves White
Actual ColorTrue Black Oak

Key item features

  • Flexible Storage: Offers a versatile five-shelf layout, including three adjustable shelves and two fixed shelves, perfect for organizing diverse items like books, files, and decor.
  • Reliable Capacity: Each of the two fixed shelves supports up to 50 lbs, while the three adjustable shelves safely hold up to 35 lbs, ensuring sturdy storage.
  • Space-Efficient Dimensions: Measures 24.88" W x 11.65" D x 71.42" H when assembled, weighing 49.94 lbs, providing significant vertical storage with a minimal footprint.
  • Robust Build: Constructed from particle board and MDF, featuring a closed-back design and a True Black Oak wood-grain finish for a clean, durable aesthetic.
  • Simple Assembly: Requires assembly with included instructions and is easily maintained by wiping with a soft cloth.
  • Secure Installation: An included wall strap kit allows for secure attachment to the wall, enhancing safety and stability.
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Customer ratings & reviews

4.3 out of 5 stars
stars
27.1K ratings7,567 reviews
How item rating is calculated
  1. 5 stars71% (19.4K)
  2. 4 stars11% (2,963)
  3. 3 stars5% (1,401)
  4. 2 stars3% (820)
  5. 1 star10% (2,592)
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Showing 1-3 of 7,567 reviews

Nov 20, 2025
Reviewer name: Nikki
Item details
Color: White
Color: White
Color: White
Color: White
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

I know these are bookshelves but….

I know these are bookshelves but I used them to redo my son's closet and it worked like a charm. We removed those awful wire racks and placed these instead. They are super sturdy and hold all of his stuff. They only took a few minutes to assemble by myself and then anchored them to the wall. So far they are holding up great and many of my friends have used them as closet storage as well.

Helpful?c32af590-9490-11f1-9920-f7c8fd0691833403152228
Nov 12, 2025
Reviewer name: Debbie
Top Reviewer
Item details
Color: True Black Oak
Color: True Black Oak
Color: True Black Oak
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Easy to construct storage.

Very useful way to create more storage space for little money. I feel I got my money's worth with this purchase. I used one for a bookcase and art display. I used one shelf set to turn a small closet into a pantry storage area. Easy to put together. I'm very satisfied with this purchase.

Helpful?c32af590-9490-11f1-9920-f7c8fd0691833403152228
Jan 20, 2026
Reviewer name: BayouSoccerMom
Item details
Color: White
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

long over due project..love the look

delivered straight to my door...thankful because the box is heavy and i oedwred four. ive been wanting bookcases to fill an unused wasted space in my condo. assemble was easy about 20 minutes each. im very pleased with the outcome and it was beyond budget friendly.

Helpful?c32af590-9490-11f1-9920-f7c8fd0691833403152228
Current price is $39.97
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