Amazon has a selection of 38mm/42mm magnetic clasp mesh Apple Watch Bands for $8.99-11.99 AC . Highly rated bands, have codes for 4 of the 5 color/size options,from left to right:
https://www.amazon.com/38mm-Magne…016JWO0
Code: VPOCQX8Q – 38mm BLACK
Price: $9.99 – Regular $19.99
https://www.amazon.com/Penom-Magn…B01GFMOM
Code: J29WKH5M – 38mm ROSE GOLD
Price: $11.99 – Regular $19.99
(Sorry no code for 42mm Space Black)
https://www.amazon.com/Penom-Magn…B06Y2XGD
Code: V8TGF9CR – 38mm SILVER
Price: $8.99 – Regular $16.99
https://www.amazon.com/Penom-Magn…B06Y2TRY
Code: 67YYX9PT – 42mm SILVER
Price: $8.99 – Regular 16.99