Get your FREE Earth Day Sticker from Sierra Club and show your support for our environment and a livable planet for all. Click this link then enter your name, email and zip code then click "Continue" and provide your mailing address. A donation is NOT required so you can close the page out when you see that. This brand new sticker is plastic-free and measures approximately 3.5 inches. Allow about four to six weeks for it to arrive. Offer limited to one sticker.