20L Chemical Specialized Barrel, 20kg Small-Mouth Plastic Barrel, Blue 20kg Plastic Barrel, 20L Stackable Square Plastic Barrel, Qingyun Pengteng Direct Sales. Product Name: 20KG Chemical Square Barrel, 20kg Plastic Barrel, 20kg Chemical Barrel, Food Barrel. Product Specifications: Height 407mm, Side Length 284X253. Product Color: Customizable for orders of 2000 units or more according to customer requirements. Product Summary: Utilizes a wall thickness control system to ensure uniform barrel body, enhanced strength, impact resistance, and drop resistance—tested filled with water from a height of 4 meters.