As one of it's Amazon Prime Exclusive Deals, Amazon is discounting it's Amazon Dash buttons to 99 cents, normally $4.99. Even better, you'll get a $4.99 Amazon credit after your first press. Plus, all orders receive free shipping.
Note: you will need to open the deal page for the Dash Button you are wanting to purchase to see the price drop to $0.99.
With over 300 brands available, Dash Button makes it easy for Prime members to reorder everyday essentials across dozens of retail categories. Simply press the Wi-Fi-connected Dash Button to reorder a supply when you're running low, and your products are on their way.