Hello Chasers!
Please see the below link for more information regarding various item such as Supply Boxes and Cubes. The link contains the loot table that displays a full list of acquirable items and their chance breakdown.
1. Supply Box
https://koggames.com/kurtzpel/item-probability-en/?SupplyBox
2. Accessory Cube
https://koggames.com/kurtzpel/item-probability-en/?AccessoryCube
3. Dye Cube
https://koggames.com/kurtzpel/item-probability-en/?DyeCube
4. Item Enhancement
https://koggames.com/kurtzpel/item-probability-en/?ItemEnhancement
Thank you.