Durable pvc, secure both valves, don’t over inflate, use air mattress pump (not included). This BBL inflatable mattress does not have a built in pump therefore it needs to be inflated prior to using each night. 20-30% air loss within 4-6 hours is normal. Keep away from extreme heat sharp objects pets and children to avoid puncturing your mattress. All inflatable products final sale and nonrefundable. Color may vary between pink or purple depending what’s in stock!