usps insurance charges vary depending on the value of the package and the type of service selected. USPS offers insurance for domestic and international shipments to protect against loss, damage, or theft during transit. The cost of USPS insurance is typically calculated based on the declared value of the item being shipped. For example, USPS Priority Mail and Priority Mail Express services include up to $100 of insurance at no additional charge, but higher coverage can be purchased for a fee. It’s important for senders to evaluate the value of their items and consider additional insurance to ensure full protection.