Inquiry (采购产品): Prototype To whom it may concern, I am a member of a team at Loyola Marymount University that is designing a more efficient toilet flapper. We have a design and just need it to get a prototyped. We were thonking rubber would be the best material. Please let me now if your company could help or if you have any suggestions. Joseph Weber j58weber@aol.com **** Hidden Message ***** Joseph Weber 90045 USA Company: Loyola Marymount University E-mail: j58weber@aol.com **** Hidden Message ***** j58weber@aol.com