A spill-resistant container having an open upper end that is maintained closed by a cover of flexible, elastic fabric, providing for quick, comfortable access to the containers contents. The cover is comprised of two overlapping pieces of elasticized fabric which may be easily pushed aside by a person's...http://www.google.es/patents/US7591388?utm_source=gb-gplus-sharePatente US7591388 - Spill-resistant container
