Cambria baby organic cotton bedside sleeper bassinet fitted mattress sheets compatible with various brands including Halo (see link below). 3 pack - clouds, planets and stars, and rainbows and suns. Barely used.

https://www.amazon.com/Bassinet-Baby-KoolerThings-Angelbliss-Maxi-COSI/dp/B0CGY43597/ref=sr_1_1_sspa?crid=3IM56QJGL81ZV&dib=eyJ2IjoiMSJ9.gSPqEPBO3XDza-nxnTfN0QChIwuk_KuhqV-sV-hfdjxBtBFipmarIeQNvPkRDpXQAO-anJ4SN0k_SRDMgI_9dGOl_mSNwC9dj-flnwIQ6X4fdZw4ecEojLZhT2e_7EtLHwcXDdELjIXPpBzJv0LYQDBwl8FEv5lUhUBCJzkP2Y1cSjIkM9Ejv2yF0NKnWLNYB3a-dcAmbeDY0V_UVjelv7fBnm5myr5sxrGWjhZGVdM2S6sUw_k11jX6OkYk3ylxaR69Rx9pyV66leGsa4kIaP_X72xP4LwIrXu-unn0WYk.-lOdWgGqSAk6tXZDDIir_OeRPfpe9Z2MZ3pOqbszyFg&dib_tag=se&keywords=cloud%2Bbassinet%2Bsheets&qid=1792266387&sprefix=cloud%2Bbassinet%2Bsheets%2B%2Caps%2C146&sr=8-1-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9hdGY&th=1