Did you know that the beach is one huge gigantic litterbox? Well, it is. You know what else is a litterbox? The laundry basket. Stick this magnet on the washing machine to remind you while you're in there. Or stick it on the fridge and poop in there. Stick it anywhere magnetic, really, and poop wherever you damn well please.
Measures 65mm x 90mm. Shiny. Not all that tasty to lick but you can give it a go.