Dave Bonta's three-line poem is a single glimpse: a fir tree with a thin layer of ice on it. The ice is so delicate that it seems "paper-thin," and then the poem makes a surprising leap, comparing it to "a sail from Holland."
That comparison is the heart of the poem. A sail is white, stretched, and catches light and wind, so the image suggests ice that is translucent and slightly billowed, hanging on the branches like cloth on a mast. A fir, with its tall, straight shape, could even resemble a ship's mast. The mention of Holland adds distance and a sense of old seafaring, as if something from far away has landed in an ordinary winter tree.
The speaker doesn't state a feeling outright, but the mood is quiet, curious, and a little delighted. The poem seems to enjoy noticing, and it lets one small, fragile moment open out into something wider and more imaginative.