400g帐篷地布，采用耐磨防水材料，如涤纶或尼龙，重量厚实，耐用防水。适用于家庭露营、长途旅行及恶劣环境，保护帐篷底部免受损。虽较重，但耐用性强，使用后需清洁保养。

400g tent floor fabric, made of wear-resistant and waterproof materials such as polyester or nylon, thick in weight, durable and waterproof. Suitable for family camping, long-distance travel, and harsh environments, protecting the bottom of the tent from damage. Although heavy, it has strong durability and requires cleaning and maintenance after use.