Read the bedding label to make sure it's made of baby-safe fabric like: organic, hypoallergenic, 100% cotton, wool or other fabrics that are safe for a baby's gentle skin. Do some research on this topic before making your selection.
Wallpaper, or nautical theme borders are another popular choice. Blue and white stripes are also complimentary to this design. Murals can be a fun choice. Large murals can be purchased and applied to the walls, or hand-painted directly on the walls. A good idea is to look through books for inspiration. Some suggestions for murals are scenes of the sea or ocean, with sailboats or ships in the distance, sailors, a captain's wheel, anchors, lighthouses, seagulls, seas shells and pirates.
If you wish, you can keep his bedding the same for a while, to give him the comforting feeling of some sort of continuity in the transition. Or you can have brand new custom bedding designed to match the theme of his big boy bed. Which option is best depends really on the child.
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