After purchasing this NFT go to https://app.submarine.me/cU4G6oRPNsUAwr6NDJRFC3
and Web3 connect with the wallet holding this NFT
.

Redeem the Private Key to the Vanity burner* wallet that contains
• 12 wearable NFTs
 (Polygon)
• A Voxels Account name and avatar
 (Polygon)
• An avatar costume as .json


Using the Metamask extension in your browser, create a new eth wallet address in Metamask by the + Import account method, then from Submarined text file, copy and paste the Private Key. You can now use the address to log into voxels.com

Regard this as a burner wallet, do not store high-value NFTs or cryptocurrency in this wallet. 
You may wish to transfer your wearables NFTs to your main wallet using the OpenSea sell Bundle method. Set the price to 0.01 $Matic and specify your main wallet as the recipient. Then you should set up the avatar in your main wallet using the .json uploading it in the Voxels costumer
https://www.voxels.com/account/costumes