Hello, your opportunity to buy Towa's 2nd anniversary goods are closing up, in the attached image you can see the three main items that you can get, the mask, a body bag, and some unisex bracelets. There's also keychains not shown.
https://shop.hololivepro.com/en/products/tokoyamitowa_an2ndOr, you can buy her EP, "Scream".
https://shop.hololivepro.com/en/products/tokoyamitowa_scream