The items will be available atMu-Mo's shop on the 12th from 16:00
The T-Shirt is ¥4,000
The Bag is ¥1,500
The Sports Towel is ¥2,000
And I think these are Stickers ¥500
By the way, yesterday the girls managed to re-enter the top 30 at Oricon, they were at 23 or so, but today they climbed up till #16, is the first time they're upper than 2PM. It may change tomorrow, but yet, pretty impressive.
Source: Japanese Official Website