Sea to summit ultra sil kitchen sink 10l green description sea to summit have now designed a kitchen sink light enough to carry on every bushwalk the ultra sil kitchen sink is 63 percent lighter than their standard 10l kitchen sink ideal to uphold leave no trace ethics of washing dishes at least 100m away from water sources features 10 litre capacity super lightweight and compact only 49g made from ultra sil 30 denier siliconised high tenacity cordura nylon fabric for except