The tank covers are perfect for 2ft x 4ft x 2ft oval storage tanks. Keep oval tank pool free of leaves and insects all winter/summer, saving cleaning. Durable enough to last all season. Let's make our life easier. Drawstring closure prevents the pool cover from tearing or flying away. Material: 420D Oxford cloth. Note: The data is all manually measured, please allow 1-3cm error due to the difference in light and display, there will be a certain color difference, the actual received object shall prevail.