Polythene Early Start Grow Tunnel is ideal for early starts and creates a warm and humid environment; Pre-assembled and ready to use; Sturdy wire frame; Tough polythene cover; Includes elastic end closures and ground pegs; Plants can be accessed via the lift-up sides; Ideal for spring and fall use; Warms the soil for earlier spring crops; Gives some protection against plant pests; 9.8'L x 18"H.