Mavala Specialise in providing award winning treatments and top quality nail polish with over 150 shades to choose from your not short for choice Free from selected harmful ingredients and with there cheap prices Mavala is a clear favourite. Selected EU countries also eligible for delivery from the UK. Buy online today. The emery boards are made from flexible wood. Mavala Emery Boards are particularly recommended for all nails. They are supple and have a rough side and a finer side. Mavala products are only available to UK customers. How to use: Use the thinner side with long supple movements. Stroking from the edges to the centre to give the shaoe you desire. To help keep the nail strong, avoid filing deep into the sides of the nail tip. To finish the work, eliminate any asperity by filing with small vertical strokes. from the top to the bottom and vice versas.