b.box Sippy Cup with Weighted Straw – Leak-Proof 8oz for Babies 6m+ to Toddlers (Cobalt)

Meet the b.box Sippy Cup with Weighted Straw — a thoughtfully designed cup for babies 6 months and older through toddlers. The weighted straw stays submerged as you tilt, so sipping is smoother whether your child is sitting, standing, or lying down. The cobalt shade adds a splash of color to daily routines, meals, and journeys beyond the high chair.

Why this cup stands out

Innovation meets everyday practicality. The weighted straw remains in the liquid at any angle, reducing the need for repositioning and encouraging independent sipping. This feature is paired with a two-way valve that minimizes spills and leaks, so curious little hands can explore without too many messes. The flip-top lid seals the straw when not in use, helping keep things clean during travel or grocery trips.

The cup is intentionally simple to clean. With a minimal parts design, it’s dishwasher- and sterilizer-safe, and replacement straws and a cleaning brush are available separately, making maintenance straightforward for busy families.

User-friendly design for growing learners

Two easy-grip handles give little fingers a secure hold, while volume markings help caregivers gauge how much baby has drank and plan the next sip. The 8-ounce capacity provides a balanced measure for smaller tummies without overwhelming them with too much liquid at once. The cobalt finish is not just attractive; it helps caregivers spot the cup quickly during family meals and on the go.

As a brand, b.box aims to ease everyday parenting with practical, high-quality products. Born from the idea of simplifying daily routines, the line has grown to be used in many homes around the world. The Sippy Cup reflects that philosophy: designed to be loved by kids and trusted by parents, with durable construction and thoughtful usability that aligns with real-life moments.

Real-life use scenarios

Imagine a child sipping during a car ride without turning the cup into a mess, a quick drink while playing on the floor following a snack, or a gentle nudge toward independent feeding at daycare. The weighted straw and secure lid support these moments, turning routine sips into confident steps for little ones.

Care tips: rinse after use, place on the top rack of the dishwasher when possible, and replace the straw when needed. The design stays sturdy through repeated washes and everyday clinks, so it can accompany your child as they grow.

Key features at a glance

• Weighted straw stays in the liquid when tilted, enabling sipping from any angle.
• Two-way valve design offers leak resistance and spill safety; flip-top lid keeps the straw clean.
• Easy-grip handles and clear volume markings support independent sipping and progress tracking.
• Minimal parts for easier cleaning; dishwasher and sterilizer safe; replacement straws sold separately.
• BPA-free construction with durable, kid-friendly design.

Care and everyday use tips

• Rinse after use and place on the top rack of the dishwasher when possible.
• Check lid seal and straw for wear; replace components as needed.
• Use with water or age-appropriate drinks; designed for babies 6 months and older through toddlers.