Stamperia Sea World - Soft Mould A4 (K3PTA464) (4 ratings) £7.35 Quantity: at £7.35 each Add To Basket Soft Maxi Mould A4 size. 21x29.7cm. 10 designs. To obtain high definition moulds is very simple. You just need to pour the prime material into the mould and wait for it to dry. The shape obtained can be easily removed.