Cricut WaterColour Cards White 12pk S40; 12 S40 Cards in Ivory; 12 Envelopes in White; Dimensions: S40 Cards 4.75 in x 4.75 in (12.1 cm x 12.1 cm), Envelopes 5 in x 5 in (12.7 cm x 12.7 cm); Made of cold-pressed waterColour paper; Easy to customize with specialized Cricut Card Mat & Cricut WaterColour Markers (sold separately); For Cricut cutting machines Meet the perfect canvas for every watercolour greeting. These cold-pressed watercolour cards are made from thick 300 gsm paper so you'll have less buckling and warping when water is applied. Ready-to-send envelopes included. Requires compatible Cricut Card Mat (sold separately).