Social Security Disability back pay will be paid in a single lump sum and will be reduced by the amount of SSI already paid for months when eligibility for the two programs overlap. The second SSI installment is due this month, but sometimes the installments are delayed.
The medium flat-rate boxes for Priority service are 13 5/8 inches by 11 7/8 inches by 3 3/8 inches and 11 inches by 8 1/2 inches by 5 1/2 inches. Shipping charges are $12.65. There is one small-size box offered for Priority service. It measures 8 5/8 inches by 5 3/8 inches by 1 5/8 inches and costs $5.95 to ship.
Full Answer. The USPS dictates size standards for mail in the United States based on the requirements of its automatic mail-sorting equipment. The minimum postcard size is 3.5 inches by 5 inches. The maximum postcard size is 4.25 inches by 6 inches. The USPS also requires the postcard be between 0.007 inch and 0.016 inch thick.