Heaven On Earth - Tree Free Card Heaven On Earth - Inside - Tree Free Card Heaven On Earth - Envelope - Tree Free Card Heaven On Earth - Birthday Card With Envelope - Tree Free Heaven On Earth Cat Birthday Tree Free Card £2.75 Reads Inside: Wishing you a slice of Heaven on your Birthday. Vibrant colours and top quality art are the unique features of Tree Free greeting cards. Colours and art which can also be found on the inside of the card and on the envelope! Tree Free cards are made of hearty uncoated, 100 % post consumer recycled paper. Much kinder to the environment then traditional greeting cards. Each card measures 178 X 127 mm (7 x 5 inches) Comes in biodegradable cellophane.