You get 10x the Summer Crate.
You get the Summer Rank for 14 Days with the following features:

• /summer to get a summer crate every 48 hours (worth €50+)
• /pro to get a pro crate every 12 hours
• /tpaall every 3 minutes with your rank prefix
• /sell with a boost of 250%
• /afk with a boost of 500%
• /coinflip with no tax
• Write colored messages in chat with & character

All previous rank features (VIP, Supreme, Elite, Try, Pro) are included.