Top up Contra Return Diamonds using Garena Shells! Garena Shells is the currency of the online gaming platform, Garena. Garena's users are able to use Garena Shells to redeem Contra Return Diamonds! Jollymax offers you the most favorable price and also various payment options, very fast and easy! All you need to do is to choose the denomination you want and proceed with the payment option you want. Once the transaction completes, a Garena Shells voucher code will be sent instantly to your mailbox. We are also to launch more special offers, stay tuned on Jollymax！ Note: A Garena shell user guidance will be sent to your email after your payment is confirmed.