The Purdy® Marathon™ Jumbo Mini Roller Sleeve, in a pack of 2, will last you years due to its unique blend of nylon and polyester. Lasts longer and paints further for consistent coverage and a smooth finish. Picks up more paint than a normal sleeve so fewer trips back and forth. Perfect for large projects. Suitable with oil and water-based paints and for interior or exterior jobs. No more buying a new sleeve after every job, the Marathon™ will save you time and effort. Specifications: Material: Nylon/Polyester. Size: 114mm (4.1/2in) Pile Height: 9.5mm (3/8in) Core: 19mm (3/4in) Pack Quantity: 2.