Lullaby Earth Healthy Support Crib Mattress

*This items ships in 1-2 business days. We are unable to ship this item to Puerto Rico or internationally. Choice of 2 Options Single Firmness: both side have same firmness; great for newborns and beyond 2-Stage Firmness: one size is slightly softer, for toddlers, once past the point when a very firm mattress is recommend. Use the firm side for newborns/infants; flip to the softer side for toddlers. Other features we love Waterproof! Simply wipe it clean if leaks happen. Free from harmful chemicals that are often in waterproof materials. Waterproofing is food-grade polyethylene and PETE polypropylene batting. Even firmness - no sagging! Edge support is great and provide uniformity throughout the mattress. Grows with baby - we recommend the 2-stage option so that this mattress can be used through your child's toddler bed phase Weighs only 7 lb! Our rental customers (we rent cribs via BabyQuip!) love this Lullaby Earth mattress and we use this one due to its weight and ease of use and