Thin washi tape (also known as slim washi tape and skinny washi tape) is typically 10mm (0.4"), 5mm (0.20″) wide or less. The best place to buy thin washi tape is right here at Washi Tape Australia, where you will find affordable quality washi tapes, including well known brands of Japanese washi tapes. Washi Tape Australia is the washi tape shop that sells hundreds of adorable washi tape designs of all colours and sizes.