... bag for cement 1)Size: as your required 2)top: square + valve; 3)bottom: square or gusset 4)Usage:cement,salt etc ad star bag for ... MOQ after sample approved16) Usage:suitable for advertisements,shopping,gifts,promotions,and packing17) Waterproof ... liner bag for moisture proof, per customer’ s requestUsageRice, flour, grain, salt, sugar, fertilizer, sand, cement, ... ' requirements ad star bag for cement