Max size: dia2.5mx24m. 1.Description: Dia1.0m*l10m, 6/7/8 layers Dia1.0m*l12m, 6/7/8 layers Dia1.0m*l15m, 6/7/8 layers Dia1.2m*l10m, 6/7/8 layers Dia1.2m*l12m, 6/7/8 ayers Dia1.2m*l15m, 6/7/8 layers Dia1.5m*l12m, 6/7/8 layers Dia1.5m*l15m, 6/7/8 layers Dia1.5m*l18m, 6/7/8 layers Dia1.5m*l20m, 6/7/8 layers Dia1.5m*l24m, 6/7/8 layers Dia1.8m*l12m, 6/7/8/9 layers Dia1.8m*l15m, 6/7/8/9 layers Dia1.8m*l18m, 6/7/8/9 layers Dia1.8m*l20m, 6/7/8/9 layers Dia1.8m*l24m, 6/7/8/9 layers Dia2.0m*l18m, 6/7/8/9 layers Dia2.0m*l20m, 6/7/8/9 layers Dia2.0m*l24m, 6/7/8/9 layers There are many sizes are available, customized sizes accepted. 3.Life span: 8 years.