Tree for all Seasons Address Labels feature floral tree collages that reflect each season beginning with spring, then summer, fall, and winter. Just two trees can produce enough oxygen to support a family of 4 for an entire year. In addition to producing oxygen, trees also provide shade and buffering from the elements which can add up to savings on heating and cooling bills. Use Tree for all Seasons Address Labels on envelopes, books, boxes and more. Matching personal checks are also available.