Premium pond liner from PondXpert. Flexiliner pond liner is manufactured out of high quality LDPE with unique ‘triple-core’ manufacturing technique. This creates a liner that is light to work with but very strong and dyrable. Use this liner to create a pond sized up to (LxWxD) 11m x 9m x 1m(36′ x 30′ x 3’3″). Such a large pond could hold up to 99,000 litres of pond water (22,000 gallons). This pond liner also comes with 168sqm of pond liner underlay will be despatched FREE with this pond liner.