These Faithfull Superflow Paint Brushes have synthetic bristles which are made from 100% polyester tapered filaments and which guarantee excellent performance with no bristle loss. Fitted with a \'Kaiser\' style lacquered wooden handle for user comfort, these brushes offer superb performance with all modern water based paints. Can also be used with all other types of paint. Faithfull paintbrushes are manufactured to the highest standard using the very best materials. The bristles are bonded using top quality resin to avoid any shedding. All the handles are made from natural wood from renewable sources. The stainless steel ferrules are rustproof. The Faithfull FAIPBSY12 Superflow Synthetic Paint Brush comes in the following:Size: 13mm (1/2 inch).