water seal ring for water bottle 1,eco-friendly , durable silicone meterial . 2,odorless and non-toxic ... water seal ring for water bottle 1,eco-friendly , durable silicone meterial 2,odorless and non-toxic3, ... service, fastest delivery . Our factory:DONGGUAN GOOD IMPRESSION INDUSTRIAL CO.,LTD Address: Zhangkeng Industrial park, West Hengli Town, Dongguan City, Guangdong Provice ,China ...