The Black + Blum Steel Cup Set of 4 includes stainless steel cups topped with a bamboo wooden lid that serves as a chopping board, all secured with a gray fabric strap and featuring the Black + Blum logo. The Black + Blum Steel Cup Set of 4 features stacked steel cups with a bamboo lid, integrated metal bottle opener, and black strap—all branded with the Black + Blum logo. The Black + Blum Steel Cup Set of 4 features modern steel cups styled with ice, lime slices, and mint leaves. A cut lime, wooden lid, and black fabric strap are included—ideal for serving drinks with flair. Two people enjoy a picnic as one pours a drink from a bottle into a Black + Blum Steel Cup Set of 4; three more cups, two with ice and lime, rest on a bamboo chopping board nearby. Text on a green background about 3,000 banned ingredients and a higher standard for home products.
Beyond Plastic No Single Use Plastic
The Black + Blum Steel Cup Set of 4 includes stainless steel cups topped with a bamboo wooden lid that serves as a chopping board, all secured with a gray fabric strap and featuring the Black + Blum logo.

Black + Blum Stainless Steel Cup Set, 16.9 fl oz, Set of 4

4 piece set

Why we love it

  • Free from 3,000+ banned ingredients and meets our EU-informed standards.
  • Durable, reusable steel for a lifetime of adventure.
  • Elevate your outdoor experience with practical, natural materials.
  • Perfect for gatherings and sharing good times, sustainably.
Color:
$44.95 $44.95 Save 0%

Stainless Steel Cup Set, 16.9 fl oz, Set of 4 $44.95

Free carbon neutral shipping on orders $29+. Arrives in 3–5 days. Free, easy 30-day returns.

A set of 4 lightweight and dishwasher-safe stainless steel cups. Each set stacks neatly together and comes with a bamboo top with a built-in bottle opener that doubles as a cutting board perfect for cutting up limes or mint for your drinks on-the-go. The tough nylon strap keeps everything together for easy carrying. 

  • Dishwasher-safe (cups only)
  • Bamboo top with bottle opener
  • Each cup is individually marked so you can always tell which is yours
  • Nylon strap for easy carrying on-the-go
  • Each cup is made from 0.4mm thick stainless steel 
  • 16.9 fl oz capacity per cup

Set of 4 high quality steel cups with a bamboo chopping board/ bottle opener. All held together with a handy carry strap

18/8 (304) stainless steel, Natural Bamboo, Nylon

Cups are dishwasher safe. Handwash board

Grove Values

A flat lay of kitchen items on an orange background, including two lemons (one sliced), a cutting board, two cream-colored frying pans with gold handles, oven mitt, green olive oil bottle and can, and a carrot cake muffin mix pouch.
3,000+ BANNED INGREDIENTS

Healthier cookware, pantry staples, and more.

From snacks to saucepans, every product is reviewed to meet strict ingredient and material standards — reducing exposure to unwanted additives and plastics in your food and kitchen.

Three white silicone spatulas with colorful confetti-like speckles, displayed in different sizes against an orange circle background.

Screened for unwanted additives

Made without BPA, PFAS, melamine, or artificial preservatives

A stack of colorful, empty cupcake liners arranged on an orange circular background with one white liner set apart at the top.

Built for better cooking

Crafted from stainless steel, silicone, ceramic, and glass — not plastic

Two dark glass bottles of extra virgin olive oil with beige labels, one standing upright and one lying down, are placed on an orange circular background.

Less plastic, fewer microplastics

Reduced-plastic options that help limit waste and microplastic exposure

A close-up of a human fingertip with colorful microplastic particles on the skin, and images of a plastic bag, bottle, and six-pack ring layered in the corner, highlighting plastic pollution.

Go Beyond Plastic™ and microplastics.

Plastic products break down into microplastics that can affect human health.

Grove Co. is on a mission to reduce plastic in home essentials — for both people and for the planet.

Learn more on the Home Planet blog