New rates went into effect: May 10, 2008. Here are some of the changes:

USA:

1st class mail small patterns (old $.57 new $.66)

1/2 yard: (old $1.50 new $1.66)

Flat rate priority envelopes: (old: $4.60 new $4.80) - Boxes (old: $9.15 new $9.80)

Canada: Flat Rate priority envelopes: old: $9.00 new $9.95

World: Flat Rate priority envelopes: old $11.00 new $11.95