... direct sell; 2,sound insulution; 3,heat preservation 4,water resistant 1, factory direct sell, professional manufacturer2,durable;2,sound insulution ... ;3,water resistant;4,shapes by demand;5,size by demand;6,hardness by demand;7 ... melamine foam,cellulose foam can be provided together, good options;5, adhesive, moulds can be made, very convenience.6, ...