All-natural MaterialOur nesting aid for insects are made of natural wheat straw, BPA-free, non-toxic and safe, with a clean and smooth surface, which is important for the wings of sensitive wild bees. Insect hotelsEnvironmentally friendly nesting, breeding and hibernation aids can be used for beneficial insects. Attract bees to pollinate your plants. Year-round useThese bee tubes for insect hotel construction can be used all year round. As it is a natural material, please handle it gently. Widely usedSuitable for building insect hotels, as a shelter or nesting aid for ladybugs, bees, butterflies and other beneficial organisms, also perfect for updating/remodelling existing insect hotels and DIY decorating your garden. In addition, it can also be used as a drinking straw. Quantity and sizePackage includes: 300PCS. Inner diameter: 8 mm. Size: 20cm. Note: 1.Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 2680 hours Hope you have a pleasant shopping experience!