Get 50% off Sigg Water Bottles, plus get an additional 10% off when you use the code 10OFF during checkout at The Green Life. Shipping adds $5.95, but it's free on orders over $99. The promotion includes this Red 0.6 Liter Water Bottle, which often sells for about $20, on sale for $10.03. It drops to $9.03 with the code—the best deal we can find anywhere. Sigg water bottles are 100% free of BPA, BPF, BPS, PVC, and polycarbonates. There are more than 50 styles to choose from. Sales tax may be charged in some states.