How to read: さのう、すなぶくろ
Pronunciation: 
Same names and idioms in reading:
左脳 左農 佐農 佐能
Names and idioms with total stroke of 27:
薬理 反撥性 艷女 春秋三伝 群聚
Names and idioms similar to 砂嚢:
気嚢 砂依 水橋上砂子坂 隠嚢 砂掬
Yojijukugo(idioms with 4 Kanji characters) including 砂嚢:
酒嚢飯袋 嚢中之錐 嚢沙之計