Build a beautiful garden pond with this durable pond liner. The liner is easy to fit and will soon attract insects and wildlife to your garden. Pond underlay is 60gsm. This pond liner is sized 5m x 3m (16′ x 10′) and is big enough to create a pond sized 3m x 1m x 0.5m (10′ x 3’3″ x 1’8″).