Sending my boyfriend my underwear...is that weird?

My boyfriend and I are in a long distance relationship at the moment (we know each other in person) and I've been getting together a package to send him of all different categories/topics of things inside. To spice things up a bit for one of the categories I was thinking of sending him a pair of my underwear, like a cute thong sprayed with my perfume. Is that weird, or do you think he'd appreciate it and find it sexy?
Sending my boyfriend my underwear...is that weird?
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