Featuring a Pre-Formed Foldable Pond Liner System. Included pond shaped template serves dual purpose as pond underlayment.30-mil Black PVC Fish Grade liner. Pre-Formed, Foldable Pond Liner System**saves on shipping -- all sizes are boxed and UPSable**Includes: a pre-shaped geo-membrane PVC 30mil black fish-grade liner

AND a design/layout template for pond shape/size - that is dual purpose - also serves as underlayment.

Unique COLLAR - WALL - BOTTOM design as shown.• Unique to the Industry• Complete Installation System• Versatile and Convenient• Economical to Ship• Holds Water Securely• Easy to Install• Lightweight and foldable• Forms barrier against contaminants