I'd just take the holiday decorations, and then if he wants to, offer him a time to come to your new place and sort through them for anything he wants back.
-Pluto
H: 29 W: 27 No Kids
Together: 12/04 (9 years) Living: 02/09 (5 years) Married: 06/13 (11 months) ILYBNILWY: 01/14 Separate Bedrooms: 01/14 Discovered Affair: 02/14 (On-going) W Moved Out: 06/14