From your account dashboard:

Click Manage Subscription
Scroll to the bottom of the Subscriptions page
Click Pause or Cancel subscription as needed
If cancelling, finalize by clicking Cancel Subscription
If pausing, finalize by clicking Pause Subscription and choose how many months you'd like to pause for
To unpause, click the Unpause Subscription button on the bottom left
Instead of pausing or cancelling it may prompt you to gift your next order instead where you can choose to send your order to someone at a different address