1. Open your Metamask App and click on Import
2. Click on the network to change to the desired network.
3. Select Polygon Mainnet
4. Then, input your Contract Address as well as Token Id (https://intercom.help/swappable/en/articles/5603343-how-do-i-see-an-nft-in-my-metamask-wallet)
5. Your NFT will then appear on your Metamask Wallet
Need additional help? Please contact MetaMask Customer Service directly.