The Night-Time Insert is heavy duty 8-layer night time insert! You choose whether you would like baby to stay dry or damp for potty training! Why We Love Night-Time Insert : Perfect for BIG toddlers and for children with special needs. Works best with Supreme Size (15-55lbs cloth diaper). Choose soft fleece stay-dry side or bamboo knit side for potty training. 4 Layers of bamboo and one fleece topper for SUPER absorbency. Made with OEKO-Tex® certified bamboo fabric (certificate: SHKO 108862) Actual size 16.77in x 9.44in (35cm x 24cm).