Quick Summary
KLASS 4-piece 30L plastic storage boxes with lids are clear underbed storage boxes for organising household items while keeping contents visible. Each box has a stated 30 litre capacity and measures L50 x 40W x H18 cm, with the set supplied as four boxes.
The boxes are described as manufactured in Britain with polypropylene material and a black lid. Their low-profile shape is intended to fit under most beds, which makes them useful when you want to use storage space that would otherwise be wasted.
Who It Is Best For
These storage boxes suit buyers who want underbed storage for items such as seasonal clothing, shoes, toys or linens. They are also a fit for anyone looking to organise a room while keeping items easy to see and access.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | KLASS. |
| Quantity | Set of 4 boxes, giving multiple storage containers in one purchase. |
| Capacity | 30 litres per box, which helps you judge how much each container will hold. |
| Dimensions | L50 x 40W x H18 cm per box, so you can check under-bed clearance before ordering. |
| Material | Polypropylene, as stated for the storage boxes. |
| Colour | Clear box with black lid, keeping contents visible while the lid finishes the box. |
| Intended use | Underbed storage and home or kitchen organisation, with examples including clothing, shoes, toys and linens. |
| Manufacture | Manufactured in Britain. |
Why Buyers Choose It
- The clear design keeps contents visible, so you can identify stored items without opening every box.
- The stated underbed profile makes it easier to use storage space beneath a bed.
- The set of 4 gives you several boxes for sorting different items or rooms.
- The 30 litre capacity per box gives a defined size to compare against your storage needs.
What To Know Before You Buy
Check the available space under your bed against the stated L50 x 40W x H18 cm size before ordering. The set includes four boxes, so confirm that this quantity matches the amount of storage you need. The boxes are described with a clear body and black lid, so review the selected variation carefully if appearance matters for your room.
Common Buyer Questions
How many boxes are included?
Four boxes are included in the set.
What size is each box?
Each box measures L50 x 40W x H18 cm.
What can they be used for?
They are described for underbed storage and home or kitchen organisation, with examples including clothing, shoes, toys and linens.
What material are they made from?
They are stated to be made from polypropylene.
Final Buying View
If you need a set of clear underbed storage boxes with a defined 30 litre capacity, this KLASS four-pack gives a straightforward storage option. Compare the box dimensions with the space under your bed and check that four boxes is the quantity you want before ordering.





