1 6

Early bird special: first 150 cups just $16 

KinSip Clean

KinSip Clean

$16.00
$25.00 $16.00
Pre-Order Price Sold out
Color: Blue Raspberry

Mix colors. Two cups $40. Three cups $57.

The Anti Backwash Kids Tumbler

Kids backwash. KinSip catches it.

Two one way valves send whatever comes back down the straw into its own chamber instead of back into the drink. Your kid drinks like normal. The cup handles the rest.

We fixed backwash without sacrificing everything you already want in a great kids cup. It’s vacuum insulated to keep drinks cold. A leak resistant lid handles the backpack and the car seat. A soft silicone straw and a removable handle make it easy for little hands.

  • Anti backwash technology with a dual one way valve system
  • Backwash goes to a separate chamber built into the lid
  • 316 stainless steel inner wall for enhanced corrosion resistance and long lasting durability
  • Vacuum insulated
  • Leak resistant lid
  • Soft silicone straw
  • Removable handle
  • Silicone base pad
  • 13 oz / 384 mL
  • Patent pending

How it Works

When your kid sips, one valve lets the drink up the straw. When they stop, anything that flows back down takes a different path. A second valve sends it into a separate chamber in the lid, away from the drink. At the end of the day, pop the chamber out, empty it, and wash it.

Dropdown: Materials and features

  • 316 stainless steel body, a step up from the 18/8 steel most premium cups use
  • Vacuum insulated to help keep drinks cold
  • Soft silicone straw
  • Removable handle
  • Leak resistant lid
  • Silicone base pad
  • BPA free, lead free, phthalate free
  • Patent pending backflow isolation system
  • Holds 13 oz / 384 mL

Pre-Order Details

You're charged today, which reserves your cup from the first production run. Cups ship by mid December and we'll email you tracking. 

Care

Dishwasher safe. Empty and wash the backwash chamber at the end of each use.

Shipping and Returns

We offer returns within 30 days of delivery.

Products must be unused, undamaged, and returned with their original packaging. Customers are responsible for return shipping unless the product arrives damaged, defective, or we shipped the incorrect item. For a verified defective or incorrect product, KinSip will cover the replacement/return shipping.

Original shipping charges are non-refundable unless the return is due to our error.

View full details

Highlights

Backwash Chamber

Spill Resistant

Insulated Steel

Dishwasher Safe

Two Valves.One Clean Drink.

Every kid does it. Big sip, half of lunch goes back down the straw. KinSip gives that stuff somewhere else to go. 

Two one way valves send it into its own chamber, so the drink your kid finishes is the drink you poured. Empty the chamber, rinse, done.
Leak-Resistant Two-Way Straw

Clean sips go up; backwash drains to its own chamber. The leak-resistant design helps prevent spills.

Backwash Chamber

Backwash gets its own room. Empty it, rinse it, done.

Removable Handle

Clip it on for wobbly grips. Take it off when they’ve got it.

316 Stainless Steel

316 stainless resists corrosion and helps the cup stay clean-tasting without picking up old flavors.

Vacuum Insulated

A vacuum seal between the walls helps keep drinks hot or cold, so they stay fresh from morning drop off to afternoon pickup.

Parents Can't Wait for KinSip

Neither can we. The first cups ship mid December.

Social media comment screenshot
Social media comment screenshot
Social media comment screenshot
Social media comment screenshot

All You're Looking for in A Cup & More

sippy cupskids tumblers
Backwash Remover
316 stainless steel Plastic Usually 18/8
Vacuum insulated Rarely
Removable handle Sometimes Rarely
Drinks like a normal straw cup