- 15'(450 cm) x 20'(600 cm) - 45 mil EPDM Rubber - 2 Ply - Black - Safe for use with all Laguna products - Flexible, Durable and puncture resistant - Safe for fish and plant life - Conforms to most pond shapes - 20 year warranty ** ADDITIONAL SHIPPING may apply to liners beyond what is initially charged at checkout, it is best to email prior to purchase on larger liners **