Slime Cape is a back accessory that was published into the avatar shop by ROBLOX on March 2, 2017, specifically for the Kids' Choice Awards 2017event. It came out of the Slime Mystery Gift which could have been purchased for free until going off-sale on March 11, 2017 when the gift became this item. Before going off-sale, it was purchased 1,673,156 times. A web glitch discovered by honda1337 on March 22, 2019 allowed users to receive this item along with many others by entering a code into the console of Inspect Element. Roblox engineers quickly patched it. Before it was patched, the Slime Cape was purchased by 98,020 more users by entering the script. As of March 16, 2017, it has been favorited 9,468 times.