New price low! Amazon has the 2-Pack SodaStream 1L Dishwasher Safe Slim Bottle (Black) on sale for $16.49 - $7.12 off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel anytime) = $8.55 with free shipping on $35+ or with Prime. Bottles can be reused with SodaStream soda makers for up to 2 years.