Small enough that the quantity is not the problem
A powder room floor is frequently under twenty square feet and the walls are not much more, so the thing that limits a bold material elsewhere does not apply here.
It is the room where a stone or a pattern that would be too much across a whole bathroom becomes a reasonable quantity, and where the decision is reversible in a way a main bathroom never is.
No shower changes what qualifies
A powder room has a basin and a lavatory and nothing else. There is no pan to fall toward a drain, no wall taking a shower daily and no steam.
That removes most of the constraints that narrow a bathroom tile choice, which is why this collection can be all mosaic without also being all floor-rated sheets. Whether a given sheet suits a floor is still on its product page.
The finishes run wider than a bathroom range
Polished and honed lead here, with glossy, rock face, textured, multi finish and natural faces behind them.
Rock face in particular is worth noticing: a split stone sheet with real relief, which belongs on a wall and is a difficult thing to justify in a room that gets wet. In a powder room it is simply a textured wall, which is the point.
There is no window in most of them
A powder room is usually an internal room, lit entirely by whatever fitting is above the basin.
That makes the finish decision more consequential than the color one. A polished sheet returns the single light source and brightens a windowless space; a honed or rock face sheet absorbs it and the room goes darker and more enclosed. Both are legitimate and they produce opposite rooms.
The stones and the sheets
Sheet sizes run 12x12, 10 3/8x12, 11 1/2x11 1/2, 12 5/8x12 5/8 and a spread of trimmed dimensions, with series including Paris, Carrara, Silver, Sahara, Cotto, Hanalei and Snow.
That is a mix of limestones, marbles, a terracotta and a pebble in one collection, which again follows from the room: with a small area and no wet constraints, the material can be chosen for how it looks rather than for what it has to survive.
Thickness, and the threshold
3/8 inch carries the range with groups at 5/16, 3/4, 1/2 and two listed as random.
The random and 3/4 inch pieces are the split face sheets, which stand proud by design. That matters at the door, since a powder room floor usually meets a hall floor across a single threshold with nothing to hide the difference.
Where to spend the effect
A powder room takes one decision well and two badly. A patterned floor with plain walls, or a bold wall with a plain floor, reads considered; both at once reads unfinished.
The other thing a small room rewards is a small repeat, since a large figure gets cut through at every wall and never completes. Mosaic tile is the wider sheet range, and bathroom tiles the rooms that do have showers in them.