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USPS First-Class Mail Package 3.5 OZ USPS First-Class Mail Package 3.5 OZ

Maximum weight for First-Class Mail letters is 3.5 oz

Our Price: $10.00
USPS First-Class Large Mail Package 13 OZ USPS First-Class Large Mail Package 13 OZ

for large First-Class Mail envelopes and parcels, the maximum weight is 13 oz.

Our Price: $81.00