upgrade food grade pp material + square buckle + seal ring v

[two small and two medium and two large] total eight [two small and two large] total six [small and large] total three [one small and one medium and one large] total three [special big] total one [two extra large] total two [three super big] total three [four extra large] total four [one big] total one [second big] total two [three] total three [four] total four [one middle school] total one [second middle school] total two [no. 3] total three [four middle school] total four [small] total one [two small] total two [three small] total three [four small] total four