Moss Brook Fiber Arts also stamps and sells muslin bags.  The bags themselves are made in China.   You will be taken to the Yarn and Soul website to complete your purchase.

12 x 14″ Yarn Heart Muslin Bags

Prices:

1 bag: $8 plus sales tax and shipping via First Class Package

 

5 bags: $35 plus sales tax and shipping via First Class Package

 

10 bags: $60.00 plus sales tax and shipping via Priority Mail