How to Clean and Care for Collectible Display Trays

Quick answer

Clean a collectible display tray with a dry microfiber cloth first, then a lightly dampened cloth for sticky spots, and dry immediately. Dust the mini arcade units before they go back in, and store the tray flat with a soft cover so artwork and screens stay scratch-free.

Why tray care is different from cabinet care

A display tray is both packaging and a display surface, so it takes more handling than a shelf or a cabinet. The printed tray base, the molded pockets, and the units sitting in them all collect dust at different rates. The tray itself usually needs the gentlest treatment because printed cardboard or coated board can lift or fade if it gets wet. The units need more attention around screens, buttons, and battery doors, where dust and fingerprints build up fastest.

Because trays are often moved between a counter, a shelf, and storage, the biggest risks are handling damage and moisture, not heavy grime. A five-minute routine every few weeks prevents most of it.

What to keep on hand

You do not need a specialty kit. A microfiber cloth, a soft brush, and a can of compressed air cover almost everything. Add a mild dish soap diluted in water for sticky residue, and a clean, dry towel for immediate drying. Avoid paper towels, which can leave lint and micro-scratches on screens, and avoid alcohol or ammonia cleaners on printed tray surfaces unless the tray maker says otherwise.

For storage, a cotton pillowcase, a clean cotton towel, or an acid-free tissue layer works well. Plastic wrap and tight vacuum bags trap moisture and can press artwork against the tray, so skip them for long-term storage.

Dust the tray before you touch the units

Work top-down. Dust the tray's outer edges and pocket dividers first with a dry microfiber cloth or a soft brush. If you dust the units first, loosened dust falls back into the tray and you repeat the work. For deep pockets, a soft brush reaches corners that a cloth cannot.

Checkpoint: if the cloth picks up color, stop. That usually means the printed surface is releasing ink, and you should switch to dry-only dusting with a soft brush.

Clean the units without soaking them

Remove each mini arcade unit from its pocket before cleaning it. Wipe the outer shell with a dry microfiber cloth, then use a lightly dampened cloth on fingerprints. Keep moisture away from battery compartments, speaker grilles, and ports. A short burst of compressed air clears dust from button wells and screen edges.

Checkpoint: never spray cleaner directly on a unit or tray. Spray the cloth, not the device, so liquid cannot run into seams or under printed surfaces.

Handle sticky spots and screen smudges

For sticky residue on the tray, dampen a cloth with diluted mild soap, wring it out until it barely feels wet, and blot rather than scrub. Dry the area immediately with a clean towel. On screens, use only a dry or barely damp microfiber cloth, and never press hard; pressure is what causes permanent marks.

Mistake to avoid: scrubbing a printed tray in circles. Circular scrubbing dulls artwork and can lift edges. Use light, straight passes and stop as soon as the spot releases.

Put the tray back together correctly

Let every surface air-dry completely before you reload the tray. Then seat each unit fully into its pocket so the tray carries the weight instead of the unit leaning on a neighbor. If a unit wobbles, check for a stray piece of packing material or a bent pocket edge before forcing it.

Checkpoint: if the tray will sit in sunlight, rotate it periodically. Direct sun fades printed tray graphics and can yellow plastic over time.

Store trays so they stay flat and dust-free

For storage, keep trays flat rather than on edge, which prevents warping and pocket distortion. Slide a cotton cloth or acid-free tissue over the top, then place the tray in a box or on a shelf where nothing rests on it. Keep storage away from damp basements, hot attics, and direct sun.

If you are storing a full tray with units inside, confirm the units are powered off and batteries are removed if the tray will sit for months. Batteries left in place can leak and damage both the unit and the tray pocket.

Step-by-step tray care routine

1. Clear the area and unplug: Move the tray to a clean, flat surface and power off any units. Remove units from their pockets before cleaning so dust and moisture do not fall back into the tray. Checkpoint: if you cannot lay the tray flat, wait until you can. Cleaning on an angle invites drops and bent pockets.
2. Dust the tray dry: Use a dry microfiber cloth or soft brush on the tray edges, dividers, and pockets. Work top-down and use straight passes rather than circles. Mistake to avoid: wetting the tray first. Moisture on printed tray surfaces can lift ink or warp board.
3. Wipe each unit: Wipe shells with a dry cloth, then a barely damp cloth for fingerprints. Use compressed air for button wells, speaker grilles, and ports. Checkpoint: keep liquid out of battery compartments, headphone ports, and USB-C openings.
4. Spot-clean sticky residue: Dampen a cloth with diluted mild soap, wring it out well, and blot the spot. Dry immediately with a clean towel. Mistake to avoid: spraying cleaner directly on the tray or a unit.
5. Dry fully and reload: Let all surfaces air-dry completely, then seat each unit fully into its pocket so the tray supports the weight evenly. Checkpoint: a wobbling unit usually means a stray packing piece or a bent pocket edge, not a sizing problem.
6. Store flat and covered: Keep trays flat, cover with cotton or acid-free tissue, and store away from sun, damp, and heat. Remove batteries if storage will last months. Next step: set a reminder to repeat the dusting every few weeks, and rotate sunlit trays periodically.

Tray examples and what their contents mean for care

• STREET FIGHTER II CHAMPION EDITION COLLECTIBLE TRAY (PREM. ED.) -6 PCS: Includes 6 units of the Street Fighter II Championship Edition Micro Player (DGUNL-3283), with a full color 3.25-inch screen and artwork inspired by the original Street Fighter II CE arcade cabinet. A six-unit tray has more pockets and printed surfaces to dust, so budget a few extra minutes and clean each unit's screen with a dry microfiber cloth.
• TETRIS PIXEL POCKET PLAYER (11 GAMES IN 1) TRAY -20 PCS: Includes 20 units of the Tetris Pixel Pocket (DGUNL-7083), powered by 3 AAA batteries that are not included. With 20 units, battery-door dust and loose batteries are the main storage risk, so remove batteries before long-term storage and check each compartment.
• TETRIS MICRO PLAYER PRO TRAY -12 PCS: Includes 12 units of the Tetris Micro Player Pro (DGUNL-7025), with a 2.75-inch full color display, a 3.5 mm headphone port, and power by either 4 AA batteries or USB-C. Ports and screen edges trap dust, so use compressed air around the headphone port and USB-C opening, and keep moisture away from both.