Hi... pay a visit to departmental stores such as Taka, Metro, Tangs and Robinson. Alternatively you can buy online from Qoo10, Tao Bao, Shopee or Lazada
Many department stores sell hello kitty bed sheets, such as OG and Metro. If i am not wrong OG is having a sales now.
Department store, OG, metro, taka all these have.
Most department stores have them(:
You can try Carousell or Lazada
Department stores has them
Taobao has many versions!
Please let me know too!
Qoo10 and Taobao
West mall