... ,white,gray more cheaper)5)form/shape:big sheet,blocks,roll, embossed/textured/designed,or even more smaller like A4 paper ... for many outdoor industrial gasketing applications for weatherproofing due to its resistance to aging, UV, ozone, and oxidation. HVACThis rubber sponge material proves ... , 4, 3, 3, 2.5)-Packaging:In plastic bag per roll, standard size as below(Thickness×Width×Length)1/4 Inch ...