【Safe for Pool Liner】The smooth and round finishing edges as well as the premium nylon bristles of the pool brush are gentle on pool liners and painted pool floors, so there are no scrapes or snags to pool surfaces，even to vinyl pool liner.
Premium quality brush with durable nylon bristles and slightly curved ends. Clean faster using less effort with a brush that's easy to maneuver around all the slopes within a pool. Safe for all pool types.
SAFE FOR ALL POOL SURFACES: Durable nylon bristles clean effectively without scratching; safe for vinyl liners, fiberglass, concrete, plaster, and tile. With 3-feet of cleaning power, Poolmaster's 36" Aluminum-back brush is the largest in the collection and covers a lot of pool surface in one brush stroke.