--- 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: "SAR 73" currency: SAR in_stock: true category: "Skypro" url: https://www.desertcart.com.sa/products/565392836-erlenmeyer-flask-stopper-set-silicone-plugs-for-bottle-laboratory-test store_origin: SA region: Saudi Arabia --- # 10 pcs in 3 precise size ranges High-temp & chemical resistant Superior sealing & insulation 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:** SAR 73 **Availability:** ✅ In Stock ## Summary > 🔬 Seal your experiments with confidence and style! ## 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?** SAR 73 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.sa](https://www.desertcart.com.sa/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 - • **Compact & Lightweight:** Small, easy-to-store stoppers that keep your workspace organized without sacrificing performance. - • **Perfect Fit, Every Time:** Three size ranges (16-18mm, 21-25mm, 30-34mm) cover all your flask and test tube needs with precision. - • **Versatile Lab Essential:** Ideal for sealing flasks, test tubes, glass ports, and even fish tanks—your all-in-one stopper solution. - • **Effortless Seal & Release:** High elasticity ensures a snug, secure fit while allowing quick insertion and removal—saving you valuable lab time. - • **Built to Last Under Pressure:** Crafted from premium silicone that resists acids, alkalis, and high temperatures—durability you can trust in any experiment. ## Overview This SKYPRO Erlenmeyer Flask Stopper Set includes 10 high-grade silicone plugs in three versatile size ranges (16-18mm, 21-25mm, 30-34mm). Engineered for superior sealing, insulation, and resistance to heat, acids, and alkalis, these stoppers provide a secure, durable fit for laboratory flasks, test tubes, and more. Lightweight and compact, they combine professional-grade performance with user-friendly design to streamline your scientific workflow. ## 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 | |---------------|-------| | Brand | SKYPRO | | Manufacturer | SKYPRO | | Number of Items | 1 | | UPC | 721553473096 | ## Product Details - **Brand:** SKYPRO - **Bottom Shape:** Round or Flask Shape - **UPC:** 721553473096 - **Manufacturer:** SKYPRO ## 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/51BsTojpRPL.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/51QgzYmS+0L.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/51d7QqEO6EL.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/61npUQm8goL.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.com.sa/products/565392836-erlenmeyer-flask-stopper-set-silicone-plugs-for-bottle-laboratory-test](https://www.desertcart.com.sa/products/565392836-erlenmeyer-flask-stopper-set-silicone-plugs-for-bottle-laboratory-test) --- *Product available on Desertcart Saudi Arabia* *Store origin: SA* *Last updated: 2026-08-18*