The mattress with cover comes in 4 sizes:

making it easy to put on and take off the cover

because it is high enough to climb into bed

and being best friends with a unicorn when Unicorn moves into the room

BIBS Loops - Ophængsringe - 12-Pak - Blush/Woodchuck/Ivory Carriwell amme BH The mattress with cover comesBIBS Loops suspension rings in a 12 pack from BIBS. BIBS Loops are activity rings or suspension rings, if you will. Combine several loops rings in your favorite colors and use them across the stroller opening to hang toys. Use them in the car seat. Use them for the changing area, playpen, or activity stand. Use them as alternative pacifiers. Or simply use them as toys for the very young, who will find it quite fun to connect and pull them apart again.