Peace, mercy, and blessings of God be upon you. Upgraded dome tents: 5 layers ceiling, 5 layers wall, 5-year store warranty. Home tents: 3 layers ceiling, 1 layer wall, 2-year store warranty. Upon request, additional wall or ceiling layers can be added. All sizes are available upon request: 4x4 5x4 6x4 7x5 8x5 10x6 12x6 15x7 20x7 20x8 Available upon request. Customization available. You are welcome.