how long does a second class letter take to deliver
2nd Class mail will deliver your letters and parcels in two or three working days, including Saturdays.Choose 2nd Class because: 1  thereâs nothing better than receiving a birthday card or gift through the post. 2  youâre planning ahead and need to send special invitations and thank you notes.rices for 2nd Class are the same no matter where you're sending in the UK. The amount you pay depends on the size and weight of the item you're sending. Each format has its own size and weight limits.