Slab Waterproof met mouw Teddy Bear trolley The co sleeper has a mattress Opties:Slaapzak Hydrofiel Soft Lavender (0.5 TOG) maat 90 The co sleeper has a mattress of approximately 4 cm Heel licht You close the waterproof bib with Velcro at the back It is a kind of apron and protects your baby or toddler's clothes extra well because of those sleeves