*Returns not accepted on any opened, used, or defective product. Contact manufacturer directly for further instruction regarding defective products/parts. From Nuna, the Pipa base features: Recommended use: 4 to 32 lbs, and up to 32 in. Compatible with all Nuna PIPA series infant car seats except the Nuna PIPA urbn True lock™ installation makes set up swift, simple and above all safe Installs to car in less than five seconds with two easy and instant steps Steel stability leg helps minimize forward rotation during impact by up to 90% (when compared to a system that is not using a stability leg) Colored indicators on the stability leg and lower rigid attachments (LATCH) minimize user error Dual bubble level indicators confirm correct angle Easy base release buttons make switching between vehicle's a snap Stability leg folds under base for storage when not in use Multi-position base accommodates various car seat angles Base dimensions L 22 in x W 12 in x H 8.5 in Weight: 14 lbs. Imported.