Your Next Stamp Clear Stamps 4X6 Whatnot Sentiments 10 – Fun and whimsical stamps that are perfect for your next stamp! Crystal clear stamps made of high quality photopolymer. They have a microscopically porous surface which gives superior ink transfer with all types of ink! Ready to use with any clear block (sold separately). This package contains 11 clear stamps on one 6×4 inch backing sheet.