AQUANIQUE Pond Skins Pond Liner, 10 by 13-Feet The 10 x 13 ft. PVC Pond Liner is ideal for medium ponds up to 500 gallons, approximately 6 x 9 x 1.5 ft. The 14.5-mil PVC Pond Liner is lightweight, ultra-durable, and easy to handle. Our PVC liners are UV and puncture resistant, ensuring many years of continued use. aquanique liners are reinforced with a strong polyester weave placed between the layers of PVC. aquanique Pond Skins Pond Liners have a textured surface to promote positive bacteria growth providing just the right foundation for an environmentally balanced habitat.