What Wirecutter readers are buying for Prime Day

Deal price: $30 | Street price: $46

Prime membership required

Multiple dentists we chatted with recommended Crest Whitestrips as the best low-tech, at-home teeth whitening kit. They can take a couple weeks of using multiples times a day, but they’re cheap and proven to work.

Deal price: $662 | Street price: $1700

Use promo code SMBNB1522

The EliteBook 845 G8 is the updated version of our current pick for the best business laptop, which we love for its speedy processor, high-quality screen, and easy upgradability. The 845 will likely be a pick in an upcoming update to our guide.

Deal price: $120 | Street price: $165

RedCard holders save an extra 5%

This is a great deal on our runner-up pick for upright and canister vacuums. It’s identical in nearly every way to our top pick (the Shark Navigator NV352)—they both offer stellar cleaning performance, low-maintenance upkeep, and a comfortable design.

Deal price: $19 | Street price: $25

With store pickup (free shipping and extra 5% off for RedCard holders)

We’ve long loved the simple, clean design of the Threshold White Waffle Weave Shower Curtain—part of why we think it’s the best shower curtain for most bathrooms. The thick cotton/polyester blend drapes nicely, won’t wrinkle, and is extremely durable. Our testers particularly liked the metal grommets, which make hanging up the curtain a breeze.