Hahaha... Here I go again~
3M Scotchmate Fasteners $3.60 from Popular.
Polar Bear Fastening Tape (Green Label) $1.24 at Popular comes in a variety of colours, didn't saw white tho.
Made in Korean velcro (Cannot read the korean labels, blue label) $1.24 from Evergreen Stationary. Comes in a variety of colours. White available.
All the products featured above comes with an adhesive back.