Looks like love — and Taylor Swift — is great for merch sales … ’cause TMZ Sports is told Travis Kelce‘s jerseys flew off the shelves on Tuesday after he proposed to the pop star!

Fanatics — the official e-commerce partner of both the NFL and the Kansas City Chiefs — said to us in a statement on Wednesday Kelce’s jersey sales spiked 200% from Monday to Tuesday.

They added the tight end’s big day was his best-selling one since Super Bowl LIX — which occurred in early February.

The surge, of course, should not surprise many … especially considering Kelce and Swift’s announcement of their engagement temporarily crashed Instagram.

It seems everyone wants a piece of the couple and things associated with them now that they’re set to wed — with Spotify telling us streams of Swift’s song, “So High School,” — which played on the duo’s engagement post — surged nearly 400% this week.

Even brands have jumped in on the Traylor celebration, including Krispy Kreme, which offered free donuts on Tuesday to honor the soon-to-be newlyweds.

California Pizza Kitchen also rolled out a special deal — “It’s a Love Story” heart-shaped pizzas available for 13 days, a nod to Swift’s favorite number.

Kelce and Swift have also received a ton of wedding offers … including one from a prominent Las Vegas strip club, which told us it’d love to host their co-ed bachelor and bachelorette party.

Wedding details are still being hammered out … but one thing’s clear, when it does ultimately go down — the demand for anything associated with it is going to be huuuuge.