Seller: masud_rana (27) 100%, Location: NY, Ships to: Worldwide, Item: 283180521916 Dropbox Storage Upgrade Services Upgrade your existing account to 18 GB Permanently Upgrade your existing account through referrals, each referral adds 0.5 GB to your account and you can get up to 16 GB (initial 2GB + 16GB bonus). You need to send me your referral link for upgrade your existing account. Upgrading is a slow process and will take around 2-3 weeks. In order to control the risk and secure the space you earned, we will gradually process it. during this time you can still use your account as normal as usual. When you receive the notification that "item is shipped" means your referral link is in processing. If you have not seen any change in 3 business days after you placing your order, please contact us immediately.