Experimenta ebay mas tenho ideia que alguem já mandou vir disso na mouser.
Aqui está:
http://pt.mouser.com/Tools-Supplies/Anti-Static-Control-Products/_/N-5gg4/ (http://pt.mouser.com/Tools-Supplies/Anti-Static-Control-Products/_/N-5gg4/)
Agora é refinares a pesquisa pelo tamanho que queres e está feito.
(https://lusorobotica.com/proxy.php?request=http%3A%2F%2Fwww.serion.com.br%2Fimagens%2FSacastat.jpg&hash=f3b264773070acd570356cdcdacead619c06d397) | (https://lusorobotica.com/proxy.php?request=http%3A%2F%2Fwww.hittmarking.com%2Fimages%255Cproducts%255CAnti-Static_Ziplock.jpg&hash=60390637135ce24cc7545193bf5bd993b6145e29) |