Sheridan Creations Inc Women's knit Cardigan striped vintage 70s beachy summer

This striped cardigan from Sheridan Creations Inc is pretty cool! It's vintage from the 70s. It has white, blue, yellow, brown, and green vertical stripes all over. It has 3/4 length sleeves. There are belt loops, but the belt is missing and not included. There are some stains all over, but overall it's in good condition with no rips or tears. No size tagged, but would best fit a medium MEASUREMENTS Bust (underarm to underarm): ~18.5 in flat/37 in Sleeve length (underarm to arm opening): ~14.5 in Bottom opening: ~21 in flat/42 in Length (shoulder to bottom): ~26 in