About This Enhanced Pond Liner Protection: Designed to safeguard against sharp rocks, roots, and uneven soil, this heavy-duty underlayment provides a durable barrier to extend the life of your pond liner. 30% Thicker for Superior Durability: Approximately 30% thicker than standard underlayment, offering increased strength while remaining flexible and easy to handle during installation. Versatile for Landscaping and Drainage: Perfect for pond liner protection, this underlayment is also ideal for landscaping, drainage, and hardscape applications like retaining walls and patios. Breathable and Efficient Design: Made from soft polypropylene geotextile, it allows gases to escape beneath the liner, preventing bubbles and ensuring a secure, long-lasting installation. Convenient Precut Sizes: Packaged in easy-to-transport precut sizes, this underlayment ensures quick storage, hassle-free handling, and straightforward installation for DIYers and professionals alike. Overview Color : Black Brand : Aquascape Size : 15 Feet x 20 Feet UPC : 827807421438 Manufacturer : Aquascape, Inc.