- one of the best selling kids jumpers on internet - 6 pcs. Per bundle | 1 pc per size - size: 2t,3t,4t,5,6,7/8 - 100% cotton | knitted - overall cute jumper - soft & easy to care printed cotton - button hem ankle - side slip pockets - open back | delicate smocked elastic in the back to hold the top in place. - Machine wash cold | tumble dry low.