--- product_id: 565392836 title: "Erlenmeyer Flask Stopper Set, Silicone Plugs for Bottle Laboratory Test Tube Bungs Experiment Accessories Silicone Stoppers Suppliess - 16-18mm 5pcs, 21-25mm 3pcs, 30-34mm 2pcs" brand: "skypro" price: "274 kr" currency: NOK in_stock: true category: "Skypro" url: https://www.desertcart.no/products/565392836-erlenmeyer-flask-stopper-set-silicone-plugs-for-bottle-laboratory-test store_origin: NO region: Norway --- # 3 size ranges: 16-18mm, 21-25mm, 30-34mm High temp resistance up to lab standards Acid & alkali resistant silicone Erlenmeyer Flask Stopper Set, Silicone Plugs for Bottle Laboratory Test Tube Bungs Experiment Accessories Silicone Stoppers Suppliess - 16-18mm 5pcs, 21-25mm 3pcs, 30-34mm 2pcs **Brand:** skypro **Price:** 274 kr **Availability:** ✅ In Stock ## Summary > 🔬 Seal your experiments with confidence — because every detail counts! ## Quick Answers - **What is this?** Erlenmeyer Flask Stopper Set, Silicone Plugs for Bottle Laboratory Test Tube Bungs Experiment Accessories Silicone Stoppers Suppliess - 16-18mm 5pcs, 21-25mm 3pcs, 30-34mm 2pcs by skypro - **How much does it cost?** 274 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/565392836-erlenmeyer-flask-stopper-set-silicone-plugs-for-bottle-laboratory-test) ## Best For - skypro enthusiasts ## Why This Product - Trusted skypro brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Handling:** Ergonomic design allows quick insertion and removal, saving valuable lab time. - • **Compact & Lightweight:** Small footprint and light weight make storage and transport hassle-free for busy professionals. - • **Perfect Fit, Every Time:** Three precise size ranges ensure a secure seal for various lab glassware. - • **Versatile Lab Essential:** Ideal for test tubes, flasks, bottles, and even fish tanks—your all-in-one stopper solution. - • **Built to Last Under Pressure:** Crafted from premium silicone that resists heat, acids, and alkalis without swelling or deforming. ## Overview This set includes 10 high-grade silicone stoppers in three size ranges (16-18mm, 21-25mm, 30-34mm), designed for secure sealing of laboratory glassware. Engineered for durability, they resist high temperatures, acids, and alkalis without deforming or swelling. Their ergonomic design ensures easy use, making them an indispensable accessory for professional labs and experimental setups. ## Description Description:Silicone Stopper: - Not easy to deform, moderate hardness, manufactured according to standards and materials- High elasticity, good insulation and sealing performance, high temperature resistance, acid and alkali resistance, insoluble and non-swelling in acidic liquids.- Normal use: It can be used to block glass mouth, pipe mouth, fish tank mouth, etc.Silicone Stoppers Suitable for holes: 15-18mm,18-22mm, 21-25mm, 24-28mm, 27-31mm, 30-34mm, 33-38mm, 38-41mm, 40-45mm, 44-49mm, 48-53mm, 56-68mmPackage includes:According to your choose.Note:1.Please allow 1-2mm differs due to manual measurement, thanks.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, Thank you! ## Features - 【Package Included】- 16-18mm 5pcs, 21-25mm 3pcs, 30-34mm 2pcs; Totally 10Pcs silicone stoppers. - 【Size】- Our Silicone Stoppers are small in size and light in weight, convenient to store and use. - 【Superior Quality】- Our Silicone Plugs are made of high-grade materials to ensure their safety and durability, you can trust in their excellent quality and performance. With a user-friendly design in mind. Their suitable shape allows for easy insertion and removal, saving you time and effort. - 【Feature】- High elasticity, good insulation and sealing performance, high temperature resistance ,acid and alkali resistance, will not dissolve and swell in acidic liquids. Our Erlenmeyer Flask Stoppers are smooth and gentle, providing a secure seal without causing any harm to your valuable equipment. - 【Application】- Designed for a wide range of laboratory equipment, these Silicone Stoppers are perfect for test tubes, flasks, and other bottles that require a secure seal. Can be used to block glass ports, pipe mouths, fish tank openings, etc. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CBK394VG | | Best Sellers Rank | #567,101 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #1,768 in Wine Stoppers | | Brand Name | SKYPRO | | Customer Reviews | 5.0 5.0 out of 5 stars (1) | | Manufacturer | SKYPRO | | Manufacturer Part Number | B2067-8@#1044078 | | Number of Items | 1 | | UPC | 721553473096 | ## Product Details - **Brand:** SKYPRO - **Manufacturer:** SKYPRO - **Number of Items:** 1 - **UPC:** 721553473096 ## Images ![Erlenmeyer Flask Stopper Set, Silicone Plugs for Bottle Laboratory Test Tube Bungs Experiment Accessories Silicone Stoppers Suppliess - 16-18mm 5pcs, 21-25mm 3pcs, 30-34mm 2pcs - Image 1](https://m.media-amazon.com/images/I/5124uhylYoL.jpg) ![Erlenmeyer Flask Stopper Set, Silicone Plugs for Bottle Laboratory Test Tube Bungs Experiment Accessories Silicone Stoppers Suppliess - 16-18mm 5pcs, 21-25mm 3pcs, 30-34mm 2pcs - Image 2](https://m.media-amazon.com/images/I/41DS4Vvr-kL.jpg) ![Erlenmeyer Flask Stopper Set, Silicone Plugs for Bottle Laboratory Test Tube Bungs Experiment Accessories Silicone Stoppers Suppliess - 16-18mm 5pcs, 21-25mm 3pcs, 30-34mm 2pcs - Image 3](https://m.media-amazon.com/images/I/41C8pRASudL.jpg) ![Erlenmeyer Flask Stopper Set, Silicone Plugs for Bottle Laboratory Test Tube Bungs Experiment Accessories Silicone Stoppers Suppliess - 16-18mm 5pcs, 21-25mm 3pcs, 30-34mm 2pcs - Image 4](https://m.media-amazon.com/images/I/418nZOFVNyL.jpg) ![Erlenmeyer Flask Stopper Set, Silicone Plugs for Bottle Laboratory Test Tube Bungs Experiment Accessories Silicone Stoppers Suppliess - 16-18mm 5pcs, 21-25mm 3pcs, 30-34mm 2pcs - Image 5](https://m.media-amazon.com/images/I/41moMOcj1mL.jpg) ## Available Options This product comes in different **Size** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.no/products/565392836-erlenmeyer-flask-stopper-set-silicone-plugs-for-bottle-laboratory-test](https://www.desertcart.no/products/565392836-erlenmeyer-flask-stopper-set-silicone-plugs-for-bottle-laboratory-test) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-09-21*