What is the fine-grained topic of the following text: It is made of solid ecological Scandinavian pine wood, and is available in 3 dimensions, single 30x26x30cm (from 49 € only 36.75 €), double 60x26x30cm (from 79 € only 59.25 €) and quadruple 60x26x60cm (from 129 € only 96.75 €). Only return the topic.
Scandinavian pine wood product dimensions and prices