VEVOR Glass Suction Cup Meet a high-quality glass sucker lifter that stands out. Designed with a seamless connection, it provides top-tier airtightness for enhanced suction power. Boasting the NBR material, it performs unfazed from chilly -4℉/-20℃ up to a toasty 140℉/60℃. Operation is a breeze: pump repeatedly to achieve vacuum suction and simply lift the latch for a quick release. Mighty Suction Power Easy to Use Portable and Durable Ergonomically Engineered Aluminum Alloy Handle VEVOR Glass Suction Cup Our glass suction cup seamlessly brings together different components. With a stronger, more rigid, and durable design, say hello to excellent sealing. Key Features Mighty Suction Power: Crafted from top-notch materials for a seamless connection, we've reduced gaps between components, giving our glass suction cup an unmatched seal. A stronger, stiffer, and more durable performance is created. Easy to Use: Ready, set, stick! Just give the plunger a few presses till the red warning line