Spy Round Frog Four-sided Transparent Pudding Key Cap Mechanical Keyboard Keycap Set with Five-Sided Thermal Sublimation, OEM Height, PBT+PC Material, Translucent Characters, Compatible with 61/68/75/84/87/89/96/98/100/104/108 Keyboards
Spy Round Frog Four-Sided Transparent Pudding Key Cap Set with Five-Sided Sublimation and Translucent Characters

If you enjoy customising a mechanical keyboard with a distinctive look, this keycap set brings a playful frog-and-spy motif to the board without requiring any soldering or software changes. The transparent pudding design means the sides remain clear, allowing RGB or single-colour backlighting to pass through while the top surface holds a detailed graphic. Five-sided thermal sublimation prints the pattern across multiple faces of each keycap, so the design stays visible from different angles. Made from a PBT and PC material blend, these keycaps offer a textured feel that can help reduce finger slip during extended typing sessions. The set works with a broad range of mechanical keyboard layouts, from compact 61-key boards up to full-size 108-key models, making it a straightforward upgrade for many existing setups.
Features and Construction

This keycap set uses a combination of material choice and printing technique to deliver a visually distinct result. The five-sided thermal sublimation method applies colour to the surface rather than sitting on top, which helps the graphics resist fading from regular contact. The translucent character cut-outs let light pass through, so the legends remain readable when the keyboard backlight is on.
Material and Build
The body of each keycap is made from PBT, a plastic known for its resistance to the shiny wear that can develop on ABS keycaps over time. The transparent sections use PC material, which maintains clarity and allows light to travel through the sides of the pudding-style cap. This combination gives the keycaps a solid, slightly textured feel without being rough. The OEM profile height follows the standard stepped row curvature found on most mechanical keyboards, so typing angle remains familiar.
Size and Practical Fit
These keycaps are designed to fit mechanical keyboards with MX-style switches and cross-shaped stems. Compatibility covers a wide layout range including 61, 68, 75, 84, 87, 89, 96, 98, 100, 104, and 108-key configurations. The set includes keycaps for the main typing area and modifiers, allowing a full replacement of the original keycaps. The OEM height means there is no unusual sculpting that might interfere with typing rhythm if you are used to standard keycap rows.
Uses and Placement

This keycap set suits users who want to refresh the look of an existing mechanical keyboard quickly. The transparent pudding sides are particularly effective with keyboards that have per-key or zone backlighting, as the light spreads through the sides and creates a glow effect under each key. The frog and spy theme adds personality without relying on loud all-over prints.
Event or Professional Use
For an office or shared workspace where subtlety is preferred, the clear sides and small motif keep the design understated while backlighting remains functional. The translucent characters ensure key legends are visible in low-light conditions such as dimly lit cubicles or evening work sessions. The PBT material resists wear from daily use, maintaining a consistent surface feel throughout the workday.
Everyday Home Use
At home, the keycap set pairs well with gaming keyboards or custom builds where lighting effects are part of the setup. The five-sided sublimation means the pattern can be seen from the top and sides, adding depth to the visual presentation. The straightforward installation process means you can swap keycaps in a few minutes without tools beyond a standard keycap puller.
Benefits and Buying Value

This keycap set offers a practical upgrade path for those who want a new look without buying a new keyboard. The PBT material provides a longer-lasting surface than many stock keycaps, and the five-sided printing method helps the design stay intact through regular use. The broad compatibility means the set can move between different keyboards over time.
Reuse and Low Maintenance
Since the set fits multiple keyboard layouts, you can reuse it if you change keyboards as long as the new board uses standard MX-style switches. Cleaning is straightforward with a dry cloth; the PBT surface does not attract fingerprints as readily as glossy plastics. The thermal sublimation print is bonded to the material rather than painted on, so it does not peel or chip easily under normal conditions.
Why Choose This Product
The combination of five-sided thermal sublimation, translucent characters, and OEM profile height in a PBT+PC material set is not always available at this price point. The pudding style offers a clean look that highlights keyboard lighting without being overwhelming. The wide layout support reduces the risk of compatibility issues when upgrading from stock keycaps.
