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Lovevook-us via Amazon [amazon.com] has 28L Lovevook Backpack w/ Laptop Sleeve & 40-Oz Tumbler Pocket (Mint Green-Beige-Light Blue) on sale for $17.98 – $8.99 off when you apply promo code LOVE9MHL at checkout = $8.99. Shipping is free w/ Prime or on orders $35+.

Note: Amazon promo codes don’t always apply seamlessly. If you run into this issue, try refreshing the page, re-entering the code, or checking after you select a payment method to confirm whether it already applied.