Faber Castell : Faber White Eraser with Black Swivel Sleeve : Small

This handy device allows you to swivel your eraser back into a sleeve for storage and to help keep it clean.  It will protect against fouling and will also allow for precise control of the erasing stroke when open. The eraser is suitable for graphite and coloured pencils and is PVC free which means it does not contain harmful phthalate plasticizers. It will provide you with clean and smudge-free erasing. 

Eraser measures 5cm x 2.5cm