The American Funds Inflation Linked Bond Fund - Class 529-T (TLIBX) is a mutual fund that invests in bonds that are linked to inflation. This means that the value of the bonds will adjust based on changes in the inflation rate, providing a potential hedge against rising prices. The fund is managed by American Funds and is designed for investors in 529 college savings plans. TLIBX aims to provide a stable and diversified investment option for those looking to protect their portfolio against inflation.