Get the fabric & supplies you need at OnlineFabricStore: https://www.onlinefabricstore.net/
This comparison shows the similarities and differences between polyester felt and wool felt.
Shop felt fabric: https://www.onlinefabricstore.net/product-group-felt.aspx?type=fabric
For more DIY projects, tips and tricks, and inspiration, check out OFS Maker’s Mill: https://www.onlinefabricstore.net/makersmill/