This product is a round-bottom sack made from Dyneema®︎ Composite Fabric (formerly Cuben Fiber) DCF. It's sized to fit a Jindaiji Mountain Works Hillbilly Pot 550 and a Yama no Utsuwa (large). Stacking and storing a Ziploc screw-lock container 400FD is also recommended. The screw-lock fits neatly when inserted diagonally. Compatible Cookware: : Jindaiji Mountain Works Hillbilly Pot 550 : Yama no Utsuwa : EVERNEW Ti 570FD Cup (without lid) : EVERNEW Ti U.L. Deep pot 640 【Material】Dyneema®︎ Composite Fabric 0.67oz moroccan blue 【Cord Color】Fuchsia ❺ (Cord color can be changed) 【Size】φ118mm x 148mm (height) 【Weight】4g 【Parts】nifco The product includes the round sack only.