From further down the page:See this link for Toto IV 7" Cardboard sleeve. No idea what format. Release August 3rd.
https://www.cdjapan.co.jp/product/SICP-10139
"TOTO IV" Japanese original 40th anniversary deluxe edition features SACD hybrid (5.1ch) format. Its CD layer includes audio tracks remastered by Elliot Scheiner in 2018. This edition also includes four bonus tracks. They are based on unfinished outtakes from recording sessions from 1981-1982 and completed as new songs in 2018. Comes with a 1982 Japan tour pamphlet replica, a tour poster, a ticket for Budokan concert, and a donut vinyl single jacket replica. 7inch cardboard sleeve packaging.