# Optimal Products 21544 35-litre clear plastic storage boxes with lids

Optimal Products 21544 is a set described as clear, stackable 35-litre plastic storage boxes with lids. The listing promotes a ten-box pack, but another detail describes a set of four, so confirm the selected quantity before ordering.

- [Original product page](https://bargainpostbox.co.uk/product/optimal-products-21544-35-litre-clear-storage-boxes)
- [View offer](https://bargainpostbox.co.uk/visit/optimal-products-21544-35-litre-clear-storage-boxes)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Optimal Products
- Model: 21544
- Category: Home & Kitchen > Home Storage & Organization
- Price: 54.36 GBP
- Previous price: 63.95 GBP
- Discount: 15%
- Price checked: 2026-11-12T18:42:19.652Z
- Rating: 4.2 / 5
- Reviews: 915

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Clear boxes and lids are described as stackable, with or without the lids attached.
- The stated 35-litre capacity and dimensions may suit medium-sized household items and under-bed storage, subject to measuring your available space.
- The listing says the boxes are made in the UK.

## Pros

- Transparent construction can make stored contents easier to identify without opening each box.
- Stackable design offers a way to organise storage vertically.

## Specifications

### Identity
- Brand: Optimal Products
- Model: 21544
### Capacity and dimensions
- Capacity: 35 litres
- Storage volume: 35 Liters
- Dimensions: 45L x 35W x 23H centimetres
### Design and use
- Form factor: Rectangular
- Material listed: Plastic
- Lid: With Lid
- Opening mechanism: Lift-Off Lid
- Closure type: Gull Wing
- Water resistance listed: Not Water Resistant
- Recommended use: For Cosmetics & Make-Up

## Before you buy

- Pack quantity is contradictory: the title says 10 boxes, while a feature says the set contains 4. The selected pack quantity is unconfirmed, so verify it on the listing before purchase. The listing also presents capacity as both 35 litres and 35 Liters, and gives a single-box dimension without clarifying whether it applies to the selected variation.

## In the box

- Boxes with lids (Check selected pack): Included components are listed as boxes with lids, but the stated pack quantity conflicts between 10 and 4. Confirm the selected listing.

## A good fit for

- People organising shoes, clothes, bedding, stationery or other household items who want clear, stackable containers.
- Buyers considering under-bed storage who can confirm the box dimensions against their available clearance.

## Less suited to

- Anyone needing water-resistant storage, as the listing specifies that these boxes are not water resistant.
- Buyers who require a firmly secured lid, given customer reports of lids that do not click shut or stay put.

## Customer feedback

Customer feedback highlights positive impressions of quality, size, storage capacity and stackability, including use for shoes and under-bed storage. Reports on sturdiness and fit are mixed, while lid closure and lids staying in place are recurring concerns. For buyers using the listed lift-off lids and stackable format for everyday storage, the feedback suggests the containers may be convenient, but a secure closure should not be assumed.
- Positive themes: Customers describe the boxes as good quality and appreciate their size and usefulness for smaller items and under-bed storage.
- Positive themes: Customers report that the boxes stack and fit under beds.
- Negative themes: Some customers report lids that do not click shut properly or stay in place.
- Negative themes: Some customers report cracks on arrival.
- Mixed feedback: Feedback on sturdiness varies, with some finding the boxes sturdy and others reporting cracks.
- Mixed feedback: Reports on fit are mixed.

## Frequently asked questions

### How many boxes are included?
The listing conflicts: its title says 10, while a feature states a set of 4. Confirm the selected variation and quantity before ordering.
### What size is each box?
The listed capacity is 35 litres and the stated dimensions are 45L x 35W x 23H centimetres. The page does not clearly confirm which selected variation those dimensions describe.
### Can the boxes be stacked?
The listing says they can be stacked with or without the lids attached.
### Are the boxes waterproof?
No waterproof claim is supported. The listed water-resistance level is Not Water Resistant.

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## Add-ons

- [SIDSONS - 3x 32L Clear Plastic Underbed Storage Box with Lid - Space-Saving Nestable & Stackable Multi-Purpose Storage Boxes](https://bargainpostbox.co.uk/visit/optimal-products-21544-35-litre-clear-storage-boxes)
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## Images

![Optimal Products 21544 35-litre clear plastic storage boxes with lids — 1](https://bargainpostbox.co.uk/i/l283tyFrIQ0X4mUgWPLRKoabDTzQfm99X2TiswaAEYuDqWFF9IUvpv-MT8s-HuhriA_p0ssizlqH2z3v9WIUj2rPeX8BOnQiZmlW0YgyAGocLOP4g5K2Ku9q.jpg)

![Optimal Products 21544 35-litre clear plastic storage boxes with lids — 2](https://bargainpostbox.co.uk/i/WYvfGgN77HsGBrlHoVbTeBf5DY3OQ9l4pnRXF6r01-yJKIX8BSdHSOpm5YmtPfbDOFGYVUDgGizWhXuO4mH30-4Kccwk_vpPW8iBsB2dRSfXbn1AwXtvKYjf.jpg)

![Optimal Products 21544 35-litre clear plastic storage boxes with lids — 3](https://bargainpostbox.co.uk/i/ptE1rjONkstblTTuox6xOKJxNg4gViZkc_zSqEd38yAiojpgao4aOXC7sldEQA04ZBMeWDbBPLZwHYEqdanWX-J6-iqQLX_LeBHwyIUFUiuQDwnkaOJgbIrj.jpg)

![Optimal Products 21544 35-litre clear plastic storage boxes with lids — 4](https://bargainpostbox.co.uk/i/EgzUCqbery-4b7Q_M8ZiEPKtkfmIkXAvVIDLNVFqP83iu9mADj2twqLP0tzwLD8Z1s-t5O5EaXFuy0iQbF14hdm_EpnMnLR3ZETi5FKuG4gnqE3tzccTjOHV.jpg)

![Optimal Products 21544 35-litre clear plastic storage boxes with lids — 5](https://bargainpostbox.co.uk/i/O3yCXUhS2mNHRtWyYR6e5EmwoF7isfbEsuWBApHStjNS6fz4U25YdCfXKKHb575oti28UDPh0Po4JNf7uFInSCcZOTf06C0RbhVnezGMt-kSukjeeP28vI74.jpg)

![Optimal Products 21544 35-litre clear plastic storage boxes with lids — 6](https://bargainpostbox.co.uk/i/dUO23Ppz6ayYqVr4j6NAcVnInvNNVxhFT21Rn5GAYNMj5QmfIUYUO_4A9cZ_F3KpxGEM9h1BNlUaID7PzWJtHemmg5ByylMZHsn8jsfLfo_f8laVyjD1KWGL.jpg)

![Optimal Products 21544 35-litre clear plastic storage boxes with lids — 7](https://bargainpostbox.co.uk/i/NVEyXfa-E6dmuwDnVPX0xU-KRFyhzjSNLqpwanHLUL8Q4sMwKV7vxF9_-pVadK17I-TBWqfxi6x4VFrWm0RkpgthKAlGcy-nkwxRdSBnXV9sX_YtccLEVJCp.jpg)