https://amzn.to/4eTtVWg 2-Pack 1L sodastream Dishwasher Safe Slim Bottle (Black) on sale for $15.68 - $6.31 off when you 'clip' the coupon on the product page - $0.78 (5%) off when you check out via Subscribe & Save = $8.59. Shipping is free w/ Prime or on $35+ orders.