can't really remember... i think Rm20 a piece... that was like 5 years ago la friend.. hahaha.. now everything also increase in price already.. except no increase in my pay. :(
This DIY was done over a year ago, so I thought it will be cool to share with everyone. Mine was falling off as it has been years. So I remade them with car-wash sponge and it works very well, good as next to...