Durable, easy-clean polyethylene plunger for fast unblocking of kitchen sinks and basins. Bellows design ensures excellent suction. 100mm (4″) cup diameter. Length 310mm. Durable, easy-clean polyethylene plunger for fast unblocking of kitchen sinks and basins. Bellows design ensures excellent suction. 100mm (4″) cup diameter. Length 310mm.