Specifications: Material: Silicone Quty: 2 Pcs (a Pa) Type: Diaphragm/ Duckbill Valve/ 22mm Little Shield/ 26mm Little Shield/ 24mm Shield/ 28mm Shield/ 8oz Cup/ Connector (Optional) Package Size: Diaphragm/ Duckbill Valve/ Little Shield: 12.2 * 12.0 * 5.0cm / 4.8 * 4.7 * 2.0in Shield/ Cup: 22.0 * 22.0 * 7.0cm / 8.7 * 8.7 * 2.8in Connector: 16.5 * 16.0 * 5.0cm / 6.5 * 6.3 * 2.0in Package Weight: Diaphragm: 22g / 0.8oz Duckbill Valve: 12g / 0.4oz 22mm/ 26mm Little Shield: 12g / 0.4oz, 10g / 0.4oz 24mm/ 28mm Shield: 110g / 3.9oz, 115g / 4.1oz Cup: 95g / 3.4oz Connector: 70g / 2.5oz Package List: 1 * Pa of Accessory (2 Pcs)Feel free to contact us