The charities have a lot of information on their websites, below is some general advice to help you get those needles clicking.
At AllAboutYou you will find free patterns from Debbie Bliss and Erika Knight, both noted children’s knitting and crochet designers, who create beautiful traditional patterns, with timeless style that can be passed down for generations. You will have such a hard time making a decision just which knitting or crochet pattern to tackle first… So many hats, sweaters, cardigans, vests, and blankets.
The charities involved usually have free knitting patterns and advice on their websites so do not be worried by all the details as you really will be able to find a garment to suit both your knitting skills and the babies needs
Many specialist knitting bags are also designed to specifically cater to knitters, with inner linings that are tough enough to resist damage from knitting needles or scissors being kept inside. Popular brands of knitting bags include methane, Namaste and Bergere de France, but there is a huge range of stylish and practical designs on the market from many different manufacturers.
Early Angels: This is a site based in the U.K set up to help people to knit, crochet or sew clothes, blankets and other keepsakes for premature, low birth weight and sadly stillborn babies. They have a wide range of free knitting, crochet and sewing patterns accessible on their pattern page.