Life is an Ocean $20.00 Inside Message Blank Inside Packages of Heartstrings® cards are shrink-wrapped and sold in sets of 10 cards with envelopes. The actual card size is 4 1/4" x 5 1/2". Life is an Ocean quantity Add to cart SKU: 733. Categories: Humor, Sports. Related Products We All Seek Higher Peace $20.00 We Grow Together $20.00 Unidentified Frying Object $20.00 Give Peas a Chance $20.00