The Marcus & Marcus 350ml Straw & Spout Insulated Water Bottle is a double-wall vacuum-insulated stainless steel water bottle designed for toddler and preschooler hydration. Featuring interchangeable straw and spout caps, it keeps drinks cold for 12 hours or warm for 8 hours. Ideal for school, outdoor outings, and travel, this leak-proof flask includes a detachable shoulder strap, a straw cleaning brush, and a personalized name label.
| Feature | Specification |
| Capacity | 350ml / 11.8 oz |
| Thermal Insulation | Keeps Cold for 12 Hours | Keeps Warm for 8 Hours |
| Drinking Options | 2-in-1 Interchangeable Caps (Straw Mouthpiece & Spout Lid) |
| Materials | 18/8 Stainless Steel, Food-Grade Silicone, PP, ABS |
| Safety | BPA-Free, Phthalate-Free |
| Included Accessories | Detachable Shoulder Strap, Straw Cleaning Brush, Name Label |
| Available Designs | Seashell (Pink) & Dinosaur (Olive Green) |
2-in-1 Dual Lids (Straw & Spout): Switch seamlessly between a soft silicone straw for sipping and a spout for fast flow as your child grows.
12-Hour Cold / 8-Hour Warm Temperature Retention: Built with double-wall 18/8 stainless steel vacuum insulation to keep water ice-cold on sunny outings or warm on cold mornings.
Spill-Proof & Travel-Ready: Engineered with leak-proof seals and a detachable shoulder strap, allowing kids to carry their own bottle during outdoor play or school commutes.
Safe, Durable & Easy to Clean: Constructed from BPA-free, and phthalate-free materials. Comes with a straw cleaning brush and top-rack dishwasher-safe components.
Preschool & Kindergarten Daily Use: Perfectly sized for backpacks with a personalized name label to prevent classroom mix-ups.
Outdoor Park & Beach Outings: The shoulder strap lets kids carry their own drink, while the vacuum insulation keeps water cold under the sun.
Travel & Flights: Leak-proof design prevents accidental spills in diaper bags during long car rides or travel.
Washing: Dishwasher safe (top-rack only); hand washing is recommended to preserve exterior prints.
Initial Clean: Wash every part thoroughly with mild dish soap prior to first use.
Important Guidelines: Do not boil plastic components, microwave, freeze, or use with carbonated drinks/dry ice. Avoid abrasive pads to prevent scratching.
Q: Is the Marcus & Marcus insulated water bottle leak-proof?
A: Yes.
Q: Can I put hot liquids inside this kids flask?
A: Yes, the double-wall stainless steel insulation keeps liquids warm for up to 8 hours. Always verify the liquid temperature before serving to young children to avoid scalds.
Q: Does it come with accessories?
A: Yes, every Marcus & Marcus 350ml bottle includes a straw lid, a spout lid, a detachable carrying strap, a straw cleaning brush, and a name label.