Health Care Pillow/Silkworm Sand Pillow/Functional Pillow/Silk Sandy Pillow/Silkworm sandy pillow Health Care Pillow/Silkworm Sand Pillow/Functional Pillow/Silk Sandy Pillow/Silkworm sandy pillow/Plant Health Care Pillow Main ingredients of Silkworm’s sand: Protein 11.55%, Fattiness 2.2%, Carbohydrate 56%, all kinds of Vitamin, Phosphorus, Nitrogen, Potassium and so on.Function: Effective for ...