1 / 7Optimal 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.
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.
Reference price: £63.95
Price checked: 12 Nov 2026
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Pros and cons
Pros
- Transparent construction can make stored contents easier to identify without opening each box.
- Stackable design offers a way to organise storage vertically.
Technical specifications
12 specifications| Brand | Optimal Products |
|---|---|
| Model | 21544 |
| Capacity | 35 litres |
|---|---|
| Storage volume | 35 Liters |
| Dimensions | 45L x 35W x 23H centimetres |
| 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 |
What to know before buying
Listing details to confirm
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.
What’s in the box
- Boxes with lidsCheck selected pack
Check which accessories are included in your selected pack before buying.
Who is it for?
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 reviews on Amazon
- 5 stars
66% 66% - 4 stars
13% 13% - 3 stars
8% 8% - 2 stars
4% 4% - 1 star
9% 9%
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.
- 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.
- Some customers report cracks on arrival.
Mixed feedback
- Feedback on sturdiness varies, with some finding the boxes sturdy and others reporting cracks.
- 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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