Premium material: Wisolt seedling shells are made of thicker and durable PS plastic, which is non-toxic and odourless. They are stronger and stronger than ordinary plastic and will not easily deform even when fully filled with soil. . Universal size for most seeds the dimensions of each starter tray for seedlings are 36.5 x 23 x 11 cm / 14.3 x 9 x 4.3 inches (L x W x H). Each seed tray is equipped with 24 cells that measure 2 "square by 2". Deep The cell is large enough for most seedlings such as various flowers, herbs, small succulents, tomatoes, peppers, aubergines or other plants. . Complete plant starter kit a seedling tray consists of three parts, namely the seed tray, the waterproof bottom tray, the transparent and adjustable moisture lid. Drainage hole at the bottom of each cell for proper drainage. These seed starter kits are very suitable for indoor and outdoor use such as balcony, terrace, garden, courtyard, etc. . Features and benefits heat protection, moisture supply, light transmission. You can adjust the temperature and humidity in the seed shell to support the growth of the seedlings, which can effectively improve the germination rate of the seeds. Using our seedling trays can save space and make management easier. This is suitable for beginners to plant seeds. . Package includes: our seed starter tray kits: 5 x seed tray, 5 x waterproof base tray, 5 x moisture caps, 10 x plant labels, 1 x seedling dibber, 1 x seedling widger. In our mini propagator garden kit, you will find all the tools you need to plant them. .