The perfect dehumidifier for your musical instruments, set of 3. - Product Name: Dry Forte - Quantity: 3 pieces - Application: Dehumidifier for musical instruments - Made in Japan Product Size: 11 x 29 x width 3.5 (cm) Individual Package Size: 10.5 x 16.5 x thickness 0.5 (cm) Contents: 30g x 3 bags Standard Moisture Absorption: 50g (per bag) in water equivalent Ingredients: Calcium chloride, organic absorbent, inorganic absorbent, volatile rust inhibitor, deodorant, anti-mold agent Standard Usage Period: 3-4 months Standard Usage: 1 to 2 bags inside the storage case Thank you for viewing. *Because it is individually packaged, the box will be flattened for shipping.