A man is facing sentencing for carrying 18 pounds of crystal meth in a backpack that he knew would be sold in Hawaii.

Antonio Perez Jr. is scheduled to be sentenced Thursday in federal court in Honolulu. He previously pleaded guilty to charges that he was involved in a drug trafficking ring.

According to court documents, another man brought the meth in luggage when he flew from San Diego to Honolulu last year. Perez’s plea agreement says he met that man in a Waikiki hotel, where Perez loaded his backpack with 18 pounds of meth.

The agreement says Perez carried the backpack to a Waikiki apartment, where he hid the drugs in a clothes dryer.

Authorities estimate the Honolulu street value of 18 pounds of crystal meth to be $360,000.