I found places in the Manila area on Shopee that has 12 individual packs in one bag for P99 or less. I ordered several and the shipping was only P105 no matter how many packs you ordered and COD is an option.
These are the original Khong Guan Iced Gem Biscuits made by Ritz.
https://shopee.ph/Iced-Gem-Biscuits-(12-packs)-i.259227515.5132949181
shakey aka John