Thank you for viewing. This is a prototype. We plan to sell plain Tyvek Silver and Tyvek Black versions in diameters of 44, 47, and 54 in the future, but since this is a prototype, we are offering it at a reduced price. This is a staff sack made from a 54cm diameter "circle". Use it for a cooker case, etc. Made of Tyvek with a silver logo. Thank you for your consideration.