... water, long time for use.cotton canvas good for health. Triple canvas tentsfor camping,for 6 person,5mx12m, 5mx10m, 5mx8m, ... Construction tents, military tents, ourdoor tents100% cotton canvas tents and PVC coated canvas tents made of three-anti canvas ( ... , anti-mildew, fireproof) use for construction, military, outdoor, camping and so on We produce canvas products specification as follows:10s ...