These coasters were made for us to use here at Gauge and were a huge hit. Carol was kind enough to write and chart the pattern and provide it to us. The original coasters were made of a soft organic cotton: Fibranatura Cottonwood. She used two tones of blue for a lovely mosaic tile effect. The pattern would also make a lovely wash cloth. Gauge is not critical to the construction. Simply use a yarn you love and the appropriate needles.