The sealing ring is made of rubber, and it is safe and non-toxic. They are essential accessories of the garden sprayer. It can be used repeatedly and durable for long time use. Features: High quality rubber material, safe and non-toxic, odorless and durable. They are essential accessories of the sprayer in the garden. The sealing ring is suitable for 3/5/8L, easy to use the sealing ring. Comes with 10 pieces of sealing ring, it can meet your need. Reusable and durable: it can be used repeatedly and durable for long time use. Specifications: Condition: 100% Brand New Material: Rubber Color: Black Weight: approx. 10g Package List: 1* Sealing Ring Notes: 1. Please allow 0-2cm error due to the manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Features High-quality Rubber Material: Crafted from safe and non-toxic rubber, these sealing rings are odorless and exceptionally durable, ensuring long-lasting use and peace of mind. Essential Garden Sprayer Accessories: These sealing rings are indispensable accessories for your garden sprayer, providing reliable and efficient performance with every use. Suitable for 3/5/8L Sprayers: Designed to perfectly fit 3/5/8-liter sprayers, these sealing rings offer easy installation and a secure, leak-free seal for hassle-free operation. Convenient 10-Piece Set: Each set includes 10 pieces of sealing rings, ensuring you have an ample supply to meet your needs, whether for replacements or multiple sprayers. Reusable and Durable: These sealing rings are reusable and built to withstand repeated use, making them a cost-effective and eco-friendly choice for your sprayer maintenance needs.