https://amzn.to/4biKhGC 2-Pack sodastream 0.5L Dishwasher Safe Slim Bottle (Black) on sale for $13.99 - $6.49 off when you 'clip' the coupon on the product page - $0.70 (5%) off when you check out via Subscribe & Save = $6.80. Shipping is free w/ Prime or on $35+ orders.