WYJREES Ergonomics Desk Extender Tray, 25 × 9.9 in, Foldable Clamp-On

The WYJREES Ergonomics Desk Extender Tray is a foldable clamp-on platform intended to add space for a keyboard, mouse or arm support. Its no-drill mounting and claimed 90° fold are useful where a fixed tray would get in the way, provided your desk meets the listed clearance requirements.

At a glance

Adjustable double C-clamps attach without drilling, according to the listing.
The platform is described as folding 90° for storage.
A waterproof, wear-resistant surface is claimed to be easy to clean.
Rounded outer edges are intended to reduce scratch risk.

Price

$59.49Save 15%

Reference price: ~~$69.99~~

Price checked: 13 Nov 2026

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Pros and cons

Pros

Clamp-on installation avoids drilling into the desktop and is described as quick to assemble.
The folding platform can be moved out of the way when not needed.
The listed board size gives space for keyboard and mouse use, or arm support.

Technical specifications

11 specifications

Identity
Brand	WYJREES

Dimensions and installation
Dimensions listed	65 x 25 x 3 cm; 2.86 kg
Weight listed	2.86 kg
Support board size	25x9.9 inch
Maximum desk thickness	3.15 inch
Minimum distance from apron to desk edge	larger than 2 inches
Desk drawer clearance condition	at least 3.2 inches lower than the table top.
Fold angle	90°

Construction and capacity
Maximum load claimed	55 lbs
Board material	MDF sheet
Clamp material	anti-rust steel sheet with coating

What to know before buying

Listing details to confirm

The listed dimensions and title are not presented consistently: the title says 25“x9.9”, while the details give 65 x 25 x 3 cm and the feature text gives 25x9.9 inch for the support board. The drawer-clearance guidance also differs, with one passage requiring a desk apron gap larger than 2 inches and another requiring drawers at least 3.2 inches below the tabletop. Confirm the actual desk fit and measurements before buying. The 55 lbs capacity and claims of reduced elbow pressure are manufacturer claims, not independently confirmed.

Who is it for?

A good fit for

People wanting a clamp-on surface for a keyboard, mouse or forearm support without drilling.
Desks with sufficient thickness and apron or drawer clearance for the clamps.

Less suited to

Desks thicker than the stated clamp limit or with insufficient clearance beneath the desktop.
Buyers who need a verified load rating or independently substantiated ergonomic outcome.

WYJREES Ergonomics Desk Extender Tray, 25 × 9.9 in, Foldable Clamp-On · photo 2 — Additional product photo 2

Customer reviews on Amazon

3.2 / 5 · 13 ratings

5 stars36%36%
4 stars7%7%
3 stars19%19%
2 stars19%19%
1 star19%19%

Aggregate ratings are mixed rather than clearly favourable, and the available sample is small. That offers limited reassurance about the tray’s ownership experience. It does not identify why customers rated it as they did, so it cannot establish a specific product strength or defect. For buyers, the stated fit conditions and unresolved dimension differences are more actionable than the ratings alone.

Frequently asked questions

Will it fit my desk?

The listing states a maximum desk thickness of 3.15 inch and says the distance from the apron to the desk edge should be larger than 2 inches. Another passage says the desk drawer must sit at least 3.2 inches below the tabletop, so check the clearances against your desk before ordering.

Does the tray fold away?

The listing describes it as 90° foldable for space saving and storage.

How much weight can it hold?

The listing claims a capacity of 55 lbs. This is a manufacturer claim and is not independently verified.

What is the platform size?

The support board is listed as 25x9.9 inch, but the product details give overall dimensions of 65 x 25 x 3 cm. The title also uses 25“x9.9”, so confirm the measurements with the selected listing.