A cold, slate-grey sea in every direction. This is the mat you put down when the table is the ocean — no island to anchor the eye, nothing to tell a viewer whether they're looking at a destroyer flotilla or a single longboat.

That's the point. A featureless deep-water surface has no scale cues built into it, so the same mat works under a 1/2400 battle line, a 1/1200 convoy, 1/600 sail, or a 28mm boarding action. Your models set the scale. The water just stays out of the way.

• Deep slate grey with subtle tonal shifting and fine wave texture — enough movement to look like water, not so much that it fights your bases or fleet markers
• Matte, non-reflective surface. No glare under overhead lights, and it photographs cleanly for battle reports
• Printed edge-to-edge on FeltPro™ felt — soft, quiet under metal and resin hulls, no rubber backing to crack, curl, or hold a roll memory
• Folds flat into a bag instead of living in a tube. Rolls out ready to play in seconds
• Works as open sea on its own or as the base layer under island, reef, and coastal terrain

Victory at Sea · General Quarters · Naval Thunder · Cruel Seas · Black Seas · Sails of Glory · Oak & Iron · Blood & Plunder · Dystopian Wars · Armada — plus any home-brew or historical naval rule set from the age of sail through to modern.

Care instructions
- Machine wash separately: cold (max 30C or 90F), gentle cycle
- Do not bleach
- Tumble dry: low heat
- Do not iron
- Do not dryclean