My Vouchers in your 'Me' page is a place to store all vouchers that have been saved to your account. You can also check for which saved vouchers are valid, used and expired.
1) Shopee vouchers that you have saved
2) Shopee vouchers redeemed from the Coins Rewards page
3) Partner vouchers redeemed from the Coins Rewards page
4) Shopee vouchers awarded to your account by Shopee