Thank you for looking. Tyvek is a non-woven fabric made of high-density polyethylene fibers, which is lightweight, water-resistant, and breathable. ★Size★ Approximately 34 cm x 23.5 cm, Φ approximately 12 cm *Although the sheets are cut to the same size, there may be slight variations due to seam allowances. Please forgive any minor errors. This was made with the soft type. It will be shipped folded, so please understand. This is for those who understand handmade items. #Tyvek #Stuff Sack #Drawstring Bag #Handmade