Description
Why Choose Our Silicone Bottle Caps?
Tired of losing or breaking the original caps that came with your glass milk bottles? Our premium silicone replacement caps are engineered to provide a perfect, leak-proof seal every time. Made from 100% food-grade silicone, these caps are completely safe for contact with beverages and food — free from BPA, phthalates, and any harmful chemicals.
Whether you’re storing fresh milk, homemade juices, cold-brew coffee, kefir, or using glass bottles for meal prep and pantry organization, these caps create an airtight barrier that keeps contents fresher for longer. The soft silicone material flexes slightly to accommodate minor variations in bottle rim dimensions, giving you a snug fit that rigid plastic caps simply can’t match.
Designed to fit the most popular glass milk bottle brands on the market, including Stanpac and Libbey, these caps are available in two sizes to cover virtually all standard glass milk bottle openings. The 33mm size fits smaller-neck bottles, while the 48mm size covers the wider-mouth varieties. Choose from five contemporary colors to color-code your fridge contents or simply match your kitchen aesthetic.
Key Features
- 100% Food-Grade Silicone — Safe, non-toxic, odorless, and taste-neutral. Meets international food safety standards.
- Leak-Proof Seal — Flexible silicone creates an airtight barrier. Store bottles on their side or upside down without worry.
- Two Universal Sizes — 33mm and 48mm diameters to fit Stanpac, Libbey, and most standard glass milk bottles.
- Dishwasher Safe — Easy to clean. Toss them in the dishwasher or wash by hand with warm soapy water.
- Temperature Resistant — Works from -40°F to 446°F (-40°C to 230°C). Safe for fridge, freezer, and even brief contact with hot liquids.
- Durable & Reusable — Won’t crack, warp, or degrade like plastic caps. Designed for thousands of uses.
- Color-Coded Organization — Five modern colors (Blue, Pink, Green, Beige, Gray) to distinguish contents at a glance.
- Eco-Friendly — Replace disposable plastic wrap or lost caps permanently. One small step toward a zero-waste kitchen.
Pack Options & Pricing
We offer three convenient pack sizes so you only buy what you need:
- 3-Pack — Perfect for trying them out or replacing a few lost caps. Great for small households.
- 5-Pack — The most popular choice. Enough to cap a full set of bottles with a spare or two.
- 10-Pack — Best value per cap. Ideal for larger households, meal prep enthusiasts, or small businesses.
Each cap in a pack is the same color and size. Mix and match by ordering different packs to build your ideal collection.
Perfect For
- Fresh Milk Storage — Cap your glass milk bottles securely after each use. No more spills in the fridge.
- Homemade Beverages — Kombucha, kefir, cold-brew coffee, fresh juices, smoothies — seal them all with confidence.
- Meal Prep & Portioning — Use glass bottles to store soups, sauces, and dressings. These caps keep everything contained.
- Pantry Organization — Transfer dry goods (spices, grains, seeds) into glass bottles and label by cap color.
- Arts & Crafts — Store paints, dyes, or homemade slime in glass bottles without leaks.
- Café & Restaurant Use — Replace worn caps on syrup bottles, sauce bottles, or display containers.
Size Guide
| Size | Inner Diameter | Fits Bottle Mouth | Common Bottle Types |
|---|---|---|---|
| 33mm | 33mm / 1.3″ | 28–32mm opening | Small-neck milk bottles, juice bottles, syrup bottles |
| 48mm | 48mm / 1.9″ | 42–47mm opening | Standard milk bottles (Stanpac, Libbey), wide-mouth jars |
Tip: Measure your bottle’s mouth outer diameter before ordering to ensure the best fit. The cap should slide over the rim with a gentle press.
What’s in the Box
Your order includes the selected number of silicone caps in your chosen size and color. Caps come neatly packed in a recyclable polybag — no excessive packaging, no waste.
Care Instructions
- Wash before first use with warm soapy water
- Dishwasher safe (top rack recommended)
- Boil for 2–3 minutes to sterilize
- Avoid contact with sharp objects
- Store in a cool, dry place when not in use
Specifications
| Attribute | Detail |
|---|---|
| Material | 100% Food-Grade Silicone |
| Sizes Available | 33mm (1.3″) and 48mm (1.9″) |
| Colors Available | Blue, Pink, Green, Beige, Gray |
| Pack Sizes | 3-Pack, 5-Pack, 10-Pack |
| Temperature Range | -40°F to 446°F (-40°C to 230°C) |
| Leak-Proof | Yes |
| Dishwasher Safe | Yes |
| BPA-Free | Yes |
| Odorless | Yes |
| Compatibility | Stanpac, Libbey, and most standard glass milk bottles |
| Weight (per cap) | Approx. 8g |
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