avent sippy cup valves

Nuby 3pk Clik-It Soft Spout Cup - Neutral - 10oz

Batman by b.box 12oz Insulated Drink Bottle with Straw for Kids'

Lulyboo Easy-Grip Silicone Sippy Cup with Handles – 6oz, Light Green

Looney Tunes by b.box 12oz Insulated Drink Bottle for Kids' - Water Bottle with Straw

Reduce 14oz 2pk Chiller & Chiller Go Navy Blue Straw Tumblers

PopYum Silicone Training Cup with Straw Lid, 2-Pack for Baby, Infant and Toddler, Tumbler, Sippy, handles, 5 ounce (purple, pink)

Lulyboo Little Sipper Silicone Straw Training Cup with Handles - 9 oz

Bc Babycare Pudizzy Baby Sippy Cup, with Strap & Weighted Ball & Straw, Easy Grip, BPA-Free Tritan

Nuby 4oz 2 Handle Silicone Cup with Straw and Spout - Girl

PopYum Silicone Training Cup 2-Pack for Baby and Toddler, handles, BPA Free, self feeding training, tumbler (electric purple and orchid pink)

Thermos Baby 10 oz. Simple Pastels Insulated Stainless Steel Sippy Cup - Mint

Re-Play 12 fl oz Recycled Stainless Steel Cup – Pool Blue

Thermos Baby 10 oz. Simple Pastels Insulated Stainless Steel Sippy Cup - Rose

Re-Play 12 fl oz Recycled Stainless Steel Cup - Lavender

Gamago Baby Ducks Coffee Rise & Shine Toddler Sippy Cup | Holds 4 Ounces

Re-Play 12 fl oz Recycled Stainless Steel Cup - Denim

PopYum Silicone Training Cup with Straw + Lid, 2-Pack for Baby, Infant and Toddler, Tumbler, Sippy, handles, 5 ounce (green, pink)

MasterPieces Inc Baltimore Ravens NFL 9oz Baby Sippy Cup