The N-Gen bottles offering not only an attractive exterior, but also a few concrete advantages. The lids are 100% leak proof, and extremly easy to grip, can be used with a carabiner and the bottle itself, comfortably non-slip with its 'soft-touch'material. The polycarbonate bottles are robust, virtually unbreakable, OK for the washing up machine, completely odour/tasteless and specifically designed for foodstuffs. They are graduated with a full level. The 'N-Gen' can let itself be seen in the office, school, kindergarden or anywhere in the great outdoors. "