1. Material: nylon with pvc inside(en-71,non-toxic)

2. Thickness: 0.41mm

3. Size:74 x 36 x 8 1/2

4. Inflated length: 90cm

5. Number of interchangeable tubes:18

6. Height of interchangeable tubes:8 1/2"

7. 3 size of zipper cover mattress

8. Option: without fasten belt. (item no. HE733400L0)