Thank you for viewing! This product comes in a pack of 20 sheets x 3 bags. Each sheet is recommended to be changed every 2-3 days, making it economical and hygienic. ----------------------------- For your reference, the prices are as follows: Amazon: 1078 yen / bag Rakuten: 880 yen + shipping / bag Yahoo! Shopping: 880 yen + shipping / bag ----------------------------- Below are the product details: Neo Sheets ST Green Tea for System Toilets, 20 sheets - Quantity: 20 sheets - Scent: Green Tea - Size: Compatible with various system toilets 【Strong Odor Elimination with Green Tea Leaf】 Strongly eliminates urine odors with naturally derived deodorizing ingredients. The subtle scent of tea keeps the toilet and surrounding space comfortable. Strong odor elimination with green tea leaf. 【Reliable Absorption for a Clean Toilet】 With reliable absorbency, it prevents side leakage and keeps the toilet clean. Reliable absorption for a clean toilet. 【Hygienic with Frequent Changes】 Since the replacement guideline is 2-3 days, you can change it frequently, keeping the toilet hygienic. Hygienic with frequent changes. 【Compatible with Various System Toilets】 These sheets are sized to fit pull-out system toilets from various manufacturers. *Some system toilets may not be compatible. Please check the size carefully.