Embrace your Coastal Grandmother era with this stunning navy seashell stamp 40oz insulated tumbler — because every cup of morning tea deserves a vessel as elegant as the view. Vintage postage stamp illustrations of seashells, starfish, and coastal motifs in classic navy and cream make this double-wall stainless steel travel mug an instant classic.
About This Tumbler
Linen trousers. A good book. Salt air. Iced tea on the porch. This is your tumbler. The Coastal Grandmother aesthetic is about living beautifully and intentionally — and that starts with the little things, like what you carry your coffee in. This illustrated navy and cream seashell design is the kind of quiet, timeless style that never goes out of fashion. Non-toxic, odourless stainless steel. Made in the USA. Made for your lifestyle.
Details & Dimensions
Capacity: 40oz (approx. 1.18 litres)
️ Material: Non-toxic, food-safe stainless steel
️ Technology: Double-layer vacuum insulation — hot stays hot, cold stays cold
Lid: Leak-proof — safe for bags, porches, and boat trips
Lid: Removable & fully washable
Handle: Ergonomic side handle for a relaxed, easy grip
Perfect for: Morning coffee, afternoon tea, iced water, juice — whatever the moment calls for
Made in the USA
Care: Hand wash recommended
Why You'll Love It
️ Peak Coastal Grandmother energy in tumbler form
️ A design elegant enough to match your linen and rattan aesthetic
️ Keeps your drink at the perfect temperature all morning on the porch
️ 40oz means fewer interruptions to your reading — priorities!
️ Leak-proof lid for worry-free carrying from room to room or beach to car
️ Non-toxic and odour-free — pure, clean taste every single sip
Care Instructions
Hand wash only to preserve the gorgeous vintage illustration. Gentle soap, warm water, and a soft cloth will keep it looking beautiful for years — just like everything a true Coastal Grandmother owns.
Shipping & Processing
Ships from the USA with tracking included. Processing time is 3–5 business days. Questions? We reply fast — just send us a message!
