The Pilot Acroball 15 BeGreeN* is a superior retractable ballpoint pen with an advanced ink formula which is super smooth & quick drying. The modern, semi-transparent barrel denotes the ink colour and the unique rubber tyre grip enables you to grip the barrel tightly, enhancing your writing technique. The Acroball ink is resistant to water, light, alcohol, acid, ammonia, bleach, acetone, oil and more. It is cheque safe and archive safe. Refillable with BRFV-10M refills in Black, Blue and Red.