Amazon with Shunan Life has the 8-Pack STRN Sneaker Deodorizer Balls (Lavender) for $8.99 - $3.60 off with coupon code 64V9G5IP at checkout = $5.39 with free shipping on $35+ or with Prime.

The 8-Pack (Baby Powder, Cotton or Linen) is also on sale for $5.99, while the 12-Pack (Mixed Scents) goes for $7.79, after code 64V9G5IP.