The JadeYoga Cork Block is generally comfortable and provides good support, especially if eco-friendliness is important to you. Made from natural cork harvested in Portugal, it offers firm support and is water-resistant, according to the manufacturer's product description. This firmness can help reduce pressure on your muscles and joints, which is great for achieving challenging yoga poses.

Plus, their partnership with the Rainforest Trust helps preserve 2,000 square feet of rainforest with each purchase, which is pretty cool.

One thing to note from our research is that the block is slightly smaller than traditional yoga blocks. Depending on your preference, this could be a benefit or a drawback. Some people like the smaller size, while others prefer the feel of a standard block.

One person even mentioned, 'It’s smaller than a traditional block and heavy. I don’t use it, ended up buying a different foam block.' So if you're used to standard-sized blocks, this might take some getting used to.

Regarding comfort, many find the block to be firm and grippy, making it helpful during various poses. It also seems durable overall, but there have been a few mentions of quality issues. According to our research, some people received blocks with varying cork quality, where one might feel sturdy and another brittle or sandy.

A few users also reported their blocks arrived with chipped corners or started to chip after a few weeks.

Overall, the JadeYoga Cork Block appears to be a solid, eco-friendly option for a yoga block. Just be aware of its slightly smaller size and possible quality inconsistencies. It might be a good idea to check out some customer feedback to see if the pros align with what you're looking for.